Home / 41,320.68-61,985.12-13,233.68

Finding the Fourth Proportional to 41,320.68, 61,985.12 and 13,233.68

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Solution

The fourth proportional to 41,320.68, 61,985.12 and 13,233.68 is: 19,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,320.68 : 61,985.12 = 13,233.68 : x
  2. Step 2: Convert to fraction form
    41,320.68/61,985.12 = 13,233.68/x
  3. Step 3: Cross multiply
    41,320.68x = 61,985.12 × 13,233.68
  4. Step 4: Simplify right side
    41,320.68x = 820,291,242.84
  5. Step 5: Solve for x
    x = 820,291,242.84/41,320.68
  6. Step 6: Final answer
    x = 19,851.83

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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.