Home / 39,490.65-59,235.98-9,909.45

Finding the Fourth Proportional to 39,490.65, 59,235.98 and 9,909.45

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Solution

The fourth proportional to 39,490.65, 59,235.98 and 9,909.45 is: 14,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.65 : 59,235.98 = 9,909.45 : x
  2. Step 2: Convert to fraction form
    39,490.65/59,235.98 = 9,909.45/x
  3. Step 3: Cross multiply
    39,490.65x = 59,235.98 × 9,909.45
  4. Step 4: Simplify right side
    39,490.65x = 586,995,932.46
  5. Step 5: Solve for x
    x = 586,995,932.46/39,490.65
  6. Step 6: Final answer
    x = 14,864.18

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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.