Home / 43,773.28-65,680.43-21,574.55

Finding the Fourth Proportional to 43,773.28, 65,680.43 and 21,574.55

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Solution

The fourth proportional to 43,773.28, 65,680.43 and 21,574.55 is: 32,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,773.28 : 65,680.43 = 21,574.55 : x
  2. Step 2: Convert to fraction form
    43,773.28/65,680.43 = 21,574.55/x
  3. Step 3: Cross multiply
    43,773.28x = 65,680.43 × 21,574.55
  4. Step 4: Simplify right side
    43,773.28x = 1,417,025,898.74
  5. Step 5: Solve for x
    x = 1,417,025,898.74/43,773.28
  6. Step 6: Final answer
    x = 32,371.94

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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.