Home / 52,747.47-72,791.60-28,874.21

Finding the Fourth Proportional to 52,747.47, 72,791.60 and 28,874.21

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Solution

The fourth proportional to 52,747.47, 72,791.60 and 28,874.21 is: 39,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.47 : 72,791.60 = 28,874.21 : x
  2. Step 2: Convert to fraction form
    52,747.47/72,791.60 = 28,874.21/x
  3. Step 3: Cross multiply
    52,747.47x = 72,791.60 × 28,874.21
  4. Step 4: Simplify right side
    52,747.47x = 2,101,799,436.31
  5. Step 5: Solve for x
    x = 2,101,799,436.31/52,747.47
  6. Step 6: Final answer
    x = 39,846.45

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1.5x scale

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.