Home / 52,521.60-78,738.34-22,916.90

Finding the Fourth Proportional to 52,521.60, 78,738.34 and 22,916.90

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Solution

The fourth proportional to 52,521.60, 78,738.34 and 22,916.90 is: 34,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521.60 : 78,738.34 = 22,916.90 : x
  2. Step 2: Convert to fraction form
    52,521.60/78,738.34 = 22,916.90/x
  3. Step 3: Cross multiply
    52,521.60x = 78,738.34 × 22,916.90
  4. Step 4: Simplify right side
    52,521.60x = 1,804,438,663.95
  5. Step 5: Solve for x
    x = 1,804,438,663.95/52,521.60
  6. Step 6: Final answer
    x = 34,356.13

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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.