Home / 60,420.30-90,630.45-25,385.10

Finding the Fourth Proportional to 60,420.30, 90,630.45 and 25,385.10

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Solution

The fourth proportional to 60,420.30, 90,630.45 and 25,385.10 is: 38,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,420.30 : 90,630.45 = 25,385.10 : x
  2. Step 2: Convert to fraction form
    60,420.30/90,630.45 = 25,385.10/x
  3. Step 3: Cross multiply
    60,420.30x = 90,630.45 × 25,385.10
  4. Step 4: Simplify right side
    60,420.30x = 2,300,663,036.30
  5. Step 5: Solve for x
    x = 2,300,663,036.30/60,420.30
  6. Step 6: Final answer
    x = 38,077.65

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Similar ratio
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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.