Home / 39,523.80-59,292.72-13,231.20

Finding the Fourth Proportional to 39,523.80, 59,292.72 and 13,231.20

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Solution

The fourth proportional to 39,523.80, 59,292.72 and 13,231.20 is: 19,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,523.80 : 59,292.72 = 13,231.20 : x
  2. Step 2: Convert to fraction form
    39,523.80/59,292.72 = 13,231.20/x
  3. Step 3: Cross multiply
    39,523.80x = 59,292.72 × 13,231.20
  4. Step 4: Simplify right side
    39,523.80x = 784,513,836.86
  5. Step 5: Solve for x
    x = 784,513,836.86/39,523.80
  6. Step 6: Final answer
    x = 19,849.15

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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.