Home / 52,629.86-72,634.20-28,760.18

Finding the Fourth Proportional to 52,629.86, 72,634.20 and 28,760.18

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Solution

The fourth proportional to 52,629.86, 72,634.20 and 28,760.18 is: 39,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,629.86 : 72,634.20 = 28,760.18 : x
  2. Step 2: Convert to fraction form
    52,629.86/72,634.20 = 28,760.18/x
  3. Step 3: Cross multiply
    52,629.86x = 72,634.20 × 28,760.18
  4. Step 4: Simplify right side
    52,629.86x = 2,088,972,666.16
  5. Step 5: Solve for x
    x = 2,088,972,666.16/52,629.86
  6. Step 6: Final answer
    x = 39,691.78

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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.