Home / 56,868.48-85,276.80-29,185.92

Finding the Fourth Proportional to 56,868.48, 85,276.80 and 29,185.92

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Solution

The fourth proportional to 56,868.48, 85,276.80 and 29,185.92 is: 43,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.48 : 85,276.80 = 29,185.92 : x
  2. Step 2: Convert to fraction form
    56,868.48/85,276.80 = 29,185.92/x
  3. Step 3: Cross multiply
    56,868.48x = 85,276.80 × 29,185.92
  4. Step 4: Simplify right side
    56,868.48x = 2,488,881,862.66
  5. Step 5: Solve for x
    x = 2,488,881,862.66/56,868.48
  6. Step 6: Final answer
    x = 43,765.58

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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.