Home / 48,478.07-72,717.12-15,200.73

Finding the Fourth Proportional to 48,478.07, 72,717.12 and 15,200.73

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Solution

The fourth proportional to 48,478.07, 72,717.12 and 15,200.73 is: 22,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.07 : 72,717.12 = 15,200.73 : x
  2. Step 2: Convert to fraction form
    48,478.07/72,717.12 = 15,200.73/x
  3. Step 3: Cross multiply
    48,478.07x = 72,717.12 × 15,200.73
  4. Step 4: Simplify right side
    48,478.07x = 1,105,353,307.50
  5. Step 5: Solve for x
    x = 1,105,353,307.50/48,478.07
  6. Step 6: Final answer
    x = 22,801.10

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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.