Home / 43,569.77-65,335.10-12,397.61

Finding the Fourth Proportional to 43,569.77, 65,335.10 and 12,397.61

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Solution

The fourth proportional to 43,569.77, 65,335.10 and 12,397.61 is: 18,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.77 : 65,335.10 = 12,397.61 : x
  2. Step 2: Convert to fraction form
    43,569.77/65,335.10 = 12,397.61/x
  3. Step 3: Cross multiply
    43,569.77x = 65,335.10 × 12,397.61
  4. Step 4: Simplify right side
    43,569.77x = 809,999,027.12
  5. Step 5: Solve for x
    x = 809,999,027.12/43,569.77
  6. Step 6: Final answer
    x = 18,590.85

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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.