Home / 43,502.16-65,244.28-18,882.64

Finding the Fourth Proportional to 43,502.16, 65,244.28 and 18,882.64

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Solution

The fourth proportional to 43,502.16, 65,244.28 and 18,882.64 is: 28,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.16 : 65,244.28 = 18,882.64 : x
  2. Step 2: Convert to fraction form
    43,502.16/65,244.28 = 18,882.64/x
  3. Step 3: Cross multiply
    43,502.16x = 65,244.28 × 18,882.64
  4. Step 4: Simplify right side
    43,502.16x = 1,231,984,251.30
  5. Step 5: Solve for x
    x = 1,231,984,251.30/43,502.16
  6. Step 6: Final answer
    x = 28,320.07

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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.