Home / 42,627.20-63,940.80-24,195.20

Finding the Fourth Proportional to 42,627.20, 63,940.80 and 24,195.20

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Solution

The fourth proportional to 42,627.20, 63,940.80 and 24,195.20 is: 36,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.20 : 63,940.80 = 24,195.20 : x
  2. Step 2: Convert to fraction form
    42,627.20/63,940.80 = 24,195.20/x
  3. Step 3: Cross multiply
    42,627.20x = 63,940.80 × 24,195.20
  4. Step 4: Simplify right side
    42,627.20x = 1,547,060,444.16
  5. Step 5: Solve for x
    x = 1,547,060,444.16/42,627.20
  6. Step 6: Final answer
    x = 36,292.80

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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.