Home / 30,444.99-41,990.31-19,544.19

Finding the Fourth Proportional to 30,444.99, 41,990.31 and 19,544.19

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Solution

The fourth proportional to 30,444.99, 41,990.31 and 19,544.19 is: 26,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.99 : 41,990.31 = 19,544.19 : x
  2. Step 2: Convert to fraction form
    30,444.99/41,990.31 = 19,544.19/x
  3. Step 3: Cross multiply
    30,444.99x = 41,990.31 × 19,544.19
  4. Step 4: Simplify right side
    30,444.99x = 820,666,596.80
  5. Step 5: Solve for x
    x = 820,666,596.80/30,444.99
  6. Step 6: Final answer
    x = 26,955.72

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Half scale
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Double scale
Find fourth proportional to 30,445.99, 41,991.69 and 19,545.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.