Home / 47,304.78-70,876.88-28,545.41

Finding the Fourth Proportional to 47,304.78, 70,876.88 and 28,545.41

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Solution

The fourth proportional to 47,304.78, 70,876.88 and 28,545.41 is: 42,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,304.78 : 70,876.88 = 28,545.41 : x
  2. Step 2: Convert to fraction form
    47,304.78/70,876.88 = 28,545.41/x
  3. Step 3: Cross multiply
    47,304.78x = 70,876.88 × 28,545.41
  4. Step 4: Simplify right side
    47,304.78x = 2,023,209,102.01
  5. Step 5: Solve for x
    x = 2,023,209,102.01/47,304.78
  6. Step 6: Final answer
    x = 42,769.65

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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.