Home / 61,388.80-92,146.38-38,070.52

Finding the Fourth Proportional to 61,388.80, 92,146.38 and 38,070.52

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Solution

The fourth proportional to 61,388.80, 92,146.38 and 38,070.52 is: 57,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.80 : 92,146.38 = 38,070.52 : x
  2. Step 2: Convert to fraction form
    61,388.80/92,146.38 = 38,070.52/x
  3. Step 3: Cross multiply
    61,388.80x = 92,146.38 × 38,070.52
  4. Step 4: Simplify right side
    61,388.80x = 3,508,060,602.72
  5. Step 5: Solve for x
    x = 3,508,060,602.72/61,388.80
  6. Step 6: Final answer
    x = 57,144.96

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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.