Home / 47,122.13-70,671.57-28,151.96

Finding the Fourth Proportional to 47,122.13, 70,671.57 and 28,151.96

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Solution

The fourth proportional to 47,122.13, 70,671.57 and 28,151.96 is: 42,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.13 : 70,671.57 = 28,151.96 : x
  2. Step 2: Convert to fraction form
    47,122.13/70,671.57 = 28,151.96/x
  3. Step 3: Cross multiply
    47,122.13x = 70,671.57 × 28,151.96
  4. Step 4: Simplify right side
    47,122.13x = 1,989,543,211.78
  5. Step 5: Solve for x
    x = 1,989,543,211.78/47,122.13
  6. Step 6: Final answer
    x = 42,220.99

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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.