Home / 40,502.24-60,770.64-19,720.16

Finding the Fourth Proportional to 40,502.24, 60,770.64 and 19,720.16

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Solution

The fourth proportional to 40,502.24, 60,770.64 and 19,720.16 is: 29,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.24 : 60,770.64 = 19,720.16 : x
  2. Step 2: Convert to fraction form
    40,502.24/60,770.64 = 19,720.16/x
  3. Step 3: Cross multiply
    40,502.24x = 60,770.64 × 19,720.16
  4. Step 4: Simplify right side
    40,502.24x = 1,198,406,744.10
  5. Step 5: Solve for x
    x = 1,198,406,744.10/40,502.24
  6. Step 6: Final answer
    x = 29,588.65

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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.