Home / 42,420.10-63,630.15-24,909.70

Finding the Fourth Proportional to 42,420.10, 63,630.15 and 24,909.70

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Solution

The fourth proportional to 42,420.10, 63,630.15 and 24,909.70 is: 37,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.10 : 63,630.15 = 24,909.70 : x
  2. Step 2: Convert to fraction form
    42,420.10/63,630.15 = 24,909.70/x
  3. Step 3: Cross multiply
    42,420.10x = 63,630.15 × 24,909.70
  4. Step 4: Simplify right side
    42,420.10x = 1,585,007,947.46
  5. Step 5: Solve for x
    x = 1,585,007,947.46/42,420.10
  6. Step 6: Final answer
    x = 37,364.55

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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.