Home / 29,337.13-43,960.40-19,812.12

Finding the Fourth Proportional to 29,337.13, 43,960.40 and 19,812.12

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Solution

The fourth proportional to 29,337.13, 43,960.40 and 19,812.12 is: 29,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,337.13 : 43,960.40 = 19,812.12 : x
  2. Step 2: Convert to fraction form
    29,337.13/43,960.40 = 19,812.12/x
  3. Step 3: Cross multiply
    29,337.13x = 43,960.40 × 19,812.12
  4. Step 4: Simplify right side
    29,337.13x = 870,948,401.19
  5. Step 5: Solve for x
    x = 870,948,401.19/29,337.13
  6. Step 6: Final answer
    x = 29,687.59

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1.5x scale

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.