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Finding the Fourth Proportional to 32,155.76, 47,948.50 and 30,010.88

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Solution

The fourth proportional to 32,155.76, 47,948.50 and 30,010.88 is: 44,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,155.76 : 47,948.50 = 30,010.88 : x
  2. Step 2: Convert to fraction form
    32,155.76/47,948.50 = 30,010.88/x
  3. Step 3: Cross multiply
    32,155.76x = 47,948.50 × 30,010.88
  4. Step 4: Simplify right side
    32,155.76x = 1,438,976,679.68
  5. Step 5: Solve for x
    x = 1,438,976,679.68/32,155.76
  6. Step 6: Final answer
    x = 44,750.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.