Home / 42,378.15-63,542.25-16,084.74

Finding the Fourth Proportional to 42,378.15, 63,542.25 and 16,084.74

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Solution

The fourth proportional to 42,378.15, 63,542.25 and 16,084.74 is: 24,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.15 : 63,542.25 = 16,084.74 : x
  2. Step 2: Convert to fraction form
    42,378.15/63,542.25 = 16,084.74/x
  3. Step 3: Cross multiply
    42,378.15x = 63,542.25 × 16,084.74
  4. Step 4: Simplify right side
    42,378.15x = 1,022,060,570.27
  5. Step 5: Solve for x
    x = 1,022,060,570.27/42,378.15
  6. Step 6: Final answer
    x = 24,117.63

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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.