Home / 57,772.62-86,658.69-18,332.80

Finding the Fourth Proportional to 57,772.62, 86,658.69 and 18,332.80

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Solution

The fourth proportional to 57,772.62, 86,658.69 and 18,332.80 is: 27,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.62 : 86,658.69 = 18,332.80 : x
  2. Step 2: Convert to fraction form
    57,772.62/86,658.69 = 18,332.80/x
  3. Step 3: Cross multiply
    57,772.62x = 86,658.69 × 18,332.80
  4. Step 4: Simplify right side
    57,772.62x = 1,588,696,432.03
  5. Step 5: Solve for x
    x = 1,588,696,432.03/57,772.62
  6. Step 6: Final answer
    x = 27,499.13

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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.