Home / 47,377.18-71,023.94-19,320.70

Finding the Fourth Proportional to 47,377.18, 71,023.94 and 19,320.70

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Solution

The fourth proportional to 47,377.18, 71,023.94 and 19,320.70 is: 28,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.18 : 71,023.94 = 19,320.70 : x
  2. Step 2: Convert to fraction form
    47,377.18/71,023.94 = 19,320.70/x
  3. Step 3: Cross multiply
    47,377.18x = 71,023.94 × 19,320.70
  4. Step 4: Simplify right side
    47,377.18x = 1,372,232,237.56
  5. Step 5: Solve for x
    x = 1,372,232,237.56/47,377.18
  6. Step 6: Final answer
    x = 28,963.99

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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.