Home / 43,773.14-65,680.20-21,574.40

Finding the Fourth Proportional to 43,773.14, 65,680.20 and 21,574.40

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Solution

The fourth proportional to 43,773.14, 65,680.20 and 21,574.40 is: 32,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,773.14 : 65,680.20 = 21,574.40 : x
  2. Step 2: Convert to fraction form
    43,773.14/65,680.20 = 21,574.40/x
  3. Step 3: Cross multiply
    43,773.14x = 65,680.20 × 21,574.40
  4. Step 4: Simplify right side
    43,773.14x = 1,417,010,578.48
  5. Step 5: Solve for x
    x = 1,417,010,578.48/43,773.14
  6. Step 6: Final answer
    x = 32,371.70

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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.