Home / 47,200.13-70,800.20-19,498.85

Finding the Fourth Proportional to 47,200.13, 70,800.20 and 19,498.85

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Solution

The fourth proportional to 47,200.13, 70,800.20 and 19,498.85 is: 29,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.13 : 70,800.20 = 19,498.85 : x
  2. Step 2: Convert to fraction form
    47,200.13/70,800.20 = 19,498.85/x
  3. Step 3: Cross multiply
    47,200.13x = 70,800.20 × 19,498.85
  4. Step 4: Simplify right side
    47,200.13x = 1,380,522,028.27
  5. Step 5: Solve for x
    x = 1,380,522,028.27/47,200.13
  6. Step 6: Final answer
    x = 29,248.27

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Double scale
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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.