Home / 52,418.50-72,335.36-28,545.12

Finding the Fourth Proportional to 52,418.50, 72,335.36 and 28,545.12

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Solution

The fourth proportional to 52,418.50, 72,335.36 and 28,545.12 is: 39,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.50 : 72,335.36 = 28,545.12 : x
  2. Step 2: Convert to fraction form
    52,418.50/72,335.36 = 28,545.12/x
  3. Step 3: Cross multiply
    52,418.50x = 72,335.36 × 28,545.12
  4. Step 4: Simplify right side
    52,418.50x = 2,064,821,531.44
  5. Step 5: Solve for x
    x = 2,064,821,531.44/52,418.50
  6. Step 6: Final answer
    x = 39,391.08

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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.