Home / 52,332.88-72,219.12-28,459.36

Finding the Fourth Proportional to 52,332.88, 72,219.12 and 28,459.36

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Solution

The fourth proportional to 52,332.88, 72,219.12 and 28,459.36 is: 39,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,332.88 : 72,219.12 = 28,459.36 : x
  2. Step 2: Convert to fraction form
    52,332.88/72,219.12 = 28,459.36/x
  3. Step 3: Cross multiply
    52,332.88x = 72,219.12 × 28,459.36
  4. Step 4: Simplify right side
    52,332.88x = 2,055,309,934.96
  5. Step 5: Solve for x
    x = 2,055,309,934.96/52,332.88
  6. Step 6: Final answer
    x = 39,273.78

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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.