Home / 48,385.66-72,578.50-15,108.58

Finding the Fourth Proportional to 48,385.66, 72,578.50 and 15,108.58

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Solution

The fourth proportional to 48,385.66, 72,578.50 and 15,108.58 is: 22,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.66 : 72,578.50 = 15,108.58 : x
  2. Step 2: Convert to fraction form
    48,385.66/72,578.50 = 15,108.58/x
  3. Step 3: Cross multiply
    48,385.66x = 72,578.50 × 15,108.58
  4. Step 4: Simplify right side
    48,385.66x = 1,096,557,710.64
  5. Step 5: Solve for x
    x = 1,096,557,710.64/48,385.66
  6. Step 6: Final answer
    x = 22,662.87

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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.