Home / 40,933.13-61,419.13-13,231.13

Finding the Fourth Proportional to 40,933.13, 61,419.13 and 13,231.13

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Solution

The fourth proportional to 40,933.13, 61,419.13 and 13,231.13 is: 19,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933.13 : 61,419.13 = 13,231.13 : x
  2. Step 2: Convert to fraction form
    40,933.13/61,419.13 = 13,231.13/x
  3. Step 3: Cross multiply
    40,933.13x = 61,419.13 × 13,231.13
  4. Step 4: Simplify right side
    40,933.13x = 812,644,153.34
  5. Step 5: Solve for x
    x = 812,644,153.34/40,933.13
  6. Step 6: Final answer
    x = 19,852.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.