Home / 39,142.83-58,711.08-11,061.75

Finding the Fourth Proportional to 39,142.83, 58,711.08 and 11,061.75

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Solution

The fourth proportional to 39,142.83, 58,711.08 and 11,061.75 is: 16,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.83 : 58,711.08 = 11,061.75 : x
  2. Step 2: Convert to fraction form
    39,142.83/58,711.08 = 11,061.75/x
  3. Step 3: Cross multiply
    39,142.83x = 58,711.08 × 11,061.75
  4. Step 4: Simplify right side
    39,142.83x = 649,447,289.19
  5. Step 5: Solve for x
    x = 649,447,289.19/39,142.83
  6. Step 6: Final answer
    x = 16,591.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.