Home / 40,708.12-61,070.95-12,627.61

Finding the Fourth Proportional to 40,708.12, 61,070.95 and 12,627.61

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Solution

The fourth proportional to 40,708.12, 61,070.95 and 12,627.61 is: 18,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.12 : 61,070.95 = 12,627.61 : x
  2. Step 2: Convert to fraction form
    40,708.12/61,070.95 = 12,627.61/x
  3. Step 3: Cross multiply
    40,708.12x = 61,070.95 × 12,627.61
  4. Step 4: Simplify right side
    40,708.12x = 771,180,138.93
  5. Step 5: Solve for x
    x = 771,180,138.93/40,708.12
  6. Step 6: Final answer
    x = 18,944.14

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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.