Home / 32,122.72-47,948.82-28,335.20

Finding the Fourth Proportional to 32,122.72, 47,948.82 and 28,335.20

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Solution

The fourth proportional to 32,122.72, 47,948.82 and 28,335.20 is: 42,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,122.72 : 47,948.82 = 28,335.20 : x
  2. Step 2: Convert to fraction form
    32,122.72/47,948.82 = 28,335.20/x
  3. Step 3: Cross multiply
    32,122.72x = 47,948.82 × 28,335.20
  4. Step 4: Simplify right side
    32,122.72x = 1,358,639,404.46
  5. Step 5: Solve for x
    x = 1,358,639,404.46/32,122.72
  6. Step 6: Final answer
    x = 42,295.28

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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.