Home / 42,522.98-63,793.65-12,943.13

Finding the Fourth Proportional to 42,522.98, 63,793.65 and 12,943.13

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Solution

The fourth proportional to 42,522.98, 63,793.65 and 12,943.13 is: 19,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,522.98 : 63,793.65 = 12,943.13 : x
  2. Step 2: Convert to fraction form
    42,522.98/63,793.65 = 12,943.13/x
  3. Step 3: Cross multiply
    42,522.98x = 63,793.65 × 12,943.13
  4. Step 4: Simplify right side
    42,522.98x = 825,689,505.12
  5. Step 5: Solve for x
    x = 825,689,505.12/42,522.98
  6. Step 6: Final answer
    x = 19,417.49

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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.