Home / 43,928.48-65,899.15-13,932.71

Finding the Fourth Proportional to 43,928.48, 65,899.15 and 13,932.71

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Solution

The fourth proportional to 43,928.48, 65,899.15 and 13,932.71 is: 20,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,928.48 : 65,899.15 = 13,932.71 : x
  2. Step 2: Convert to fraction form
    43,928.48/65,899.15 = 13,932.71/x
  3. Step 3: Cross multiply
    43,928.48x = 65,899.15 × 13,932.71
  4. Step 4: Simplify right side
    43,928.48x = 918,153,416.70
  5. Step 5: Solve for x
    x = 918,153,416.70/43,928.48
  6. Step 6: Final answer
    x = 20,901.10

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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.