Home / 39,490.66-59,234.64-9,908.74

Finding the Fourth Proportional to 39,490.66, 59,234.64 and 9,908.74

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Solution

The fourth proportional to 39,490.66, 59,234.64 and 9,908.74 is: 14,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.66 : 59,234.64 = 9,908.74 : x
  2. Step 2: Convert to fraction form
    39,490.66/59,234.64 = 9,908.74/x
  3. Step 3: Cross multiply
    39,490.66x = 59,234.64 × 9,908.74
  4. Step 4: Simplify right side
    39,490.66x = 586,940,646.75
  5. Step 5: Solve for x
    x = 586,940,646.75/39,490.66
  6. Step 6: Final answer
    x = 14,862.77

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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.