Home / 42,519.46-63,737.84-20,327.08

Finding the Fourth Proportional to 42,519.46, 63,737.84 and 20,327.08

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Solution

The fourth proportional to 42,519.46, 63,737.84 and 20,327.08 is: 30,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.46 : 63,737.84 = 20,327.08 : x
  2. Step 2: Convert to fraction form
    42,519.46/63,737.84 = 20,327.08/x
  3. Step 3: Cross multiply
    42,519.46x = 63,737.84 × 20,327.08
  4. Step 4: Simplify right side
    42,519.46x = 1,295,604,071.07
  5. Step 5: Solve for x
    x = 1,295,604,071.07/42,519.46
  6. Step 6: Final answer
    x = 30,470.85

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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.