Home / 63,621.60-95,432.40-19,255.20

Finding the Fourth Proportional to 63,621.60, 95,432.40 and 19,255.20

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Solution

The fourth proportional to 63,621.60, 95,432.40 and 19,255.20 is: 28,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.60 : 95,432.40 = 19,255.20 : x
  2. Step 2: Convert to fraction form
    63,621.60/95,432.40 = 19,255.20/x
  3. Step 3: Cross multiply
    63,621.60x = 95,432.40 × 19,255.20
  4. Step 4: Simplify right side
    63,621.60x = 1,837,569,948.48
  5. Step 5: Solve for x
    x = 1,837,569,948.48/63,621.60
  6. Step 6: Final answer
    x = 28,882.80

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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.