Home / 51,629.15-71,242.40-28,963.44

Finding the Fourth Proportional to 51,629.15, 71,242.40 and 28,963.44

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Solution

The fourth proportional to 51,629.15, 71,242.40 and 28,963.44 is: 39,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,629.15 : 71,242.40 = 28,963.44 : x
  2. Step 2: Convert to fraction form
    51,629.15/71,242.40 = 28,963.44/x
  3. Step 3: Cross multiply
    51,629.15x = 71,242.40 × 28,963.44
  4. Step 4: Simplify right side
    51,629.15x = 2,063,425,050.26
  5. Step 5: Solve for x
    x = 2,063,425,050.26/51,629.15
  6. Step 6: Final answer
    x = 39,966.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.