Home / 42,359.64-63,545.28-14,287.69

Finding the Fourth Proportional to 42,359.64, 63,545.28 and 14,287.69

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Solution

The fourth proportional to 42,359.64, 63,545.28 and 14,287.69 is: 21,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.64 : 63,545.28 = 14,287.69 : x
  2. Step 2: Convert to fraction form
    42,359.64/63,545.28 = 14,287.69/x
  3. Step 3: Cross multiply
    42,359.64x = 63,545.28 × 14,287.69
  4. Step 4: Simplify right side
    42,359.64x = 907,915,261.60
  5. Step 5: Solve for x
    x = 907,915,261.60/42,359.64
  6. Step 6: Final answer
    x = 21,433.50

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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.