Home / 47,820.66-71,706.28-21,502.95

Finding the Fourth Proportional to 47,820.66, 71,706.28 and 21,502.95

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Solution

The fourth proportional to 47,820.66, 71,706.28 and 21,502.95 is: 32,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,820.66 : 71,706.28 = 21,502.95 : x
  2. Step 2: Convert to fraction form
    47,820.66/71,706.28 = 21,502.95/x
  3. Step 3: Cross multiply
    47,820.66x = 71,706.28 × 21,502.95
  4. Step 4: Simplify right side
    47,820.66x = 1,541,896,553.53
  5. Step 5: Solve for x
    x = 1,541,896,553.53/47,820.66
  6. Step 6: Final answer
    x = 32,243.31

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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.