Home / 52,455.15-72,388.11-28,581.82

Finding the Fourth Proportional to 52,455.15, 72,388.11 and 28,581.82

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Solution

The fourth proportional to 52,455.15, 72,388.11 and 28,581.82 is: 39,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.15 : 72,388.11 = 28,581.82 : x
  2. Step 2: Convert to fraction form
    52,455.15/72,388.11 = 28,581.82/x
  3. Step 3: Cross multiply
    52,455.15x = 72,388.11 × 28,581.82
  4. Step 4: Simplify right side
    52,455.15x = 2,068,983,930.16
  5. Step 5: Solve for x
    x = 2,068,983,930.16/52,455.15
  6. Step 6: Final answer
    x = 39,442.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.