Home / 40,900.48-61,306.68-19,795.92

Finding the Fourth Proportional to 40,900.48, 61,306.68 and 19,795.92

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Solution

The fourth proportional to 40,900.48, 61,306.68 and 19,795.92 is: 29,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.48 : 61,306.68 = 19,795.92 : x
  2. Step 2: Convert to fraction form
    40,900.48/61,306.68 = 19,795.92/x
  3. Step 3: Cross multiply
    40,900.48x = 61,306.68 × 19,795.92
  4. Step 4: Simplify right side
    40,900.48x = 1,213,622,132.75
  5. Step 5: Solve for x
    x = 1,213,622,132.75/40,900.48
  6. Step 6: Final answer
    x = 29,672.56

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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.