Home / 42,423.62-63,643.25-13,962.17

Finding the Fourth Proportional to 42,423.62, 63,643.25 and 13,962.17

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Solution

The fourth proportional to 42,423.62, 63,643.25 and 13,962.17 is: 20,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,423.62 : 63,643.25 = 13,962.17 : x
  2. Step 2: Convert to fraction form
    42,423.62/63,643.25 = 13,962.17/x
  3. Step 3: Cross multiply
    42,423.62x = 63,643.25 × 13,962.17
  4. Step 4: Simplify right side
    42,423.62x = 888,598,069.87
  5. Step 5: Solve for x
    x = 888,598,069.87/42,423.62
  6. Step 6: Final answer
    x = 20,945.84

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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.