Home / 30,069.96-41,490.80-19,458.16

Finding the Fourth Proportional to 30,069.96, 41,490.80 and 19,458.16

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Solution

The fourth proportional to 30,069.96, 41,490.80 and 19,458.16 is: 26,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.96 : 41,490.80 = 19,458.16 : x
  2. Step 2: Convert to fraction form
    30,069.96/41,490.80 = 19,458.16/x
  3. Step 3: Cross multiply
    30,069.96x = 41,490.80 × 19,458.16
  4. Step 4: Simplify right side
    30,069.96x = 807,334,624.93
  5. Step 5: Solve for x
    x = 807,334,624.93/30,069.96
  6. Step 6: Final answer
    x = 26,848.54

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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.