Home / 40,841.60-61,263.96-12,764.24

Finding the Fourth Proportional to 40,841.60, 61,263.96 and 12,764.24

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Solution

The fourth proportional to 40,841.60, 61,263.96 and 12,764.24 is: 19,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,841.60 : 61,263.96 = 12,764.24 : x
  2. Step 2: Convert to fraction form
    40,841.60/61,263.96 = 12,764.24/x
  3. Step 3: Cross multiply
    40,841.60x = 61,263.96 × 12,764.24
  4. Step 4: Simplify right side
    40,841.60x = 781,987,888.79
  5. Step 5: Solve for x
    x = 781,987,888.79/40,841.60
  6. Step 6: Final answer
    x = 19,146.85

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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.