Home / 58,671.28-80,945.15-38,539

Finding the Fourth Proportional to 58,671.28, 80,945.15 and 38,539

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Solution

The fourth proportional to 58,671.28, 80,945.15 and 38,539 is: 53,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671.28 : 80,945.15 = 38,539 : x
  2. Step 2: Convert to fraction form
    58,671.28/80,945.15 = 38,539/x
  3. Step 3: Cross multiply
    58,671.28x = 80,945.15 × 38,539
  4. Step 4: Simplify right side
    58,671.28x = 3,119,545,135.85
  5. Step 5: Solve for x
    x = 3,119,545,135.85/58,671.28
  6. Step 6: Final answer
    x = 53,169.88

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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.