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Finding the Fourth Proportional to 61,599.43, 92,410.55 and 19,490.12

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Solution

The fourth proportional to 61,599.43, 92,410.55 and 19,490.12 is: 29,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.43 : 92,410.55 = 19,490.12 : x
  2. Step 2: Convert to fraction form
    61,599.43/92,410.55 = 19,490.12/x
  3. Step 3: Cross multiply
    61,599.43x = 92,410.55 × 19,490.12
  4. Step 4: Simplify right side
    61,599.43x = 1,801,092,568.89
  5. Step 5: Solve for x
    x = 1,801,092,568.89/61,599.43
  6. Step 6: Final answer
    x = 29,238.79

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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.