Home / 53,730.22-80,447.64-40,542.70

Finding the Fourth Proportional to 53,730.22, 80,447.64 and 40,542.70

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Solution

The fourth proportional to 53,730.22, 80,447.64 and 40,542.70 is: 60,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.22 : 80,447.64 = 40,542.70 : x
  2. Step 2: Convert to fraction form
    53,730.22/80,447.64 = 40,542.70/x
  3. Step 3: Cross multiply
    53,730.22x = 80,447.64 × 40,542.70
  4. Step 4: Simplify right side
    53,730.22x = 3,261,564,534.23
  5. Step 5: Solve for x
    x = 3,261,564,534.23/53,730.22
  6. Step 6: Final answer
    x = 60,702.61

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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.