Home / 52,335.60-72,221.67-28,463.28

Finding the Fourth Proportional to 52,335.60, 72,221.67 and 28,463.28

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Solution

The fourth proportional to 52,335.60, 72,221.67 and 28,463.28 is: 39,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,335.60 : 72,221.67 = 28,463.28 : x
  2. Step 2: Convert to fraction form
    52,335.60/72,221.67 = 28,463.28/x
  3. Step 3: Cross multiply
    52,335.60x = 72,221.67 × 28,463.28
  4. Step 4: Simplify right side
    52,335.60x = 2,055,665,615.28
  5. Step 5: Solve for x
    x = 2,055,665,615.28/52,335.60
  6. Step 6: Final answer
    x = 39,278.53

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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.