Home / 52,385.52-72,290.88-30,877.44

Finding the Fourth Proportional to 52,385.52, 72,290.88 and 30,877.44

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Solution

The fourth proportional to 52,385.52, 72,290.88 and 30,877.44 is: 42,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,385.52 : 72,290.88 = 30,877.44 : x
  2. Step 2: Convert to fraction form
    52,385.52/72,290.88 = 30,877.44/x
  3. Step 3: Cross multiply
    52,385.52x = 72,290.88 × 30,877.44
  4. Step 4: Simplify right side
    52,385.52x = 2,232,157,309.75
  5. Step 5: Solve for x
    x = 2,232,157,309.75/52,385.52
  6. Step 6: Final answer
    x = 42,610.20

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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.