Home / 52,218.78-72,061.96-28,345.44

Finding the Fourth Proportional to 52,218.78, 72,061.96 and 28,345.44

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Solution

The fourth proportional to 52,218.78, 72,061.96 and 28,345.44 is: 39,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.78 : 72,061.96 = 28,345.44 : x
  2. Step 2: Convert to fraction form
    52,218.78/72,061.96 = 28,345.44/x
  3. Step 3: Cross multiply
    52,218.78x = 72,061.96 × 28,345.44
  4. Step 4: Simplify right side
    52,218.78x = 2,042,627,963.46
  5. Step 5: Solve for x
    x = 2,042,627,963.46/52,218.78
  6. Step 6: Final answer
    x = 39,116.73

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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.