Home / 39,956.20-59,934.34-13,661.16

Finding the Fourth Proportional to 39,956.20, 59,934.34 and 13,661.16

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Solution

The fourth proportional to 39,956.20, 59,934.34 and 13,661.16 is: 20,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.20 : 59,934.34 = 13,661.16 : x
  2. Step 2: Convert to fraction form
    39,956.20/59,934.34 = 13,661.16/x
  3. Step 3: Cross multiply
    39,956.20x = 59,934.34 × 13,661.16
  4. Step 4: Simplify right side
    39,956.20x = 818,772,608.23
  5. Step 5: Solve for x
    x = 818,772,608.23/39,956.20
  6. Step 6: Final answer
    x = 20,491.75

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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.