Home / 52,418.80-72,335.76-28,545.40

Finding the Fourth Proportional to 52,418.80, 72,335.76 and 28,545.40

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Solution

The fourth proportional to 52,418.80, 72,335.76 and 28,545.40 is: 39,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.80 : 72,335.76 = 28,545.40 : x
  2. Step 2: Convert to fraction form
    52,418.80/72,335.76 = 28,545.40/x
  3. Step 3: Cross multiply
    52,418.80x = 72,335.76 × 28,545.40
  4. Step 4: Simplify right side
    52,418.80x = 2,064,853,203.50
  5. Step 5: Solve for x
    x = 2,064,853,203.50/52,418.80
  6. Step 6: Final answer
    x = 39,391.46

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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.