Home / 54,199.68-81,306.08-19,132.16

Finding the Fourth Proportional to 54,199.68, 81,306.08 and 19,132.16

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Solution

The fourth proportional to 54,199.68, 81,306.08 and 19,132.16 is: 28,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,199.68 : 81,306.08 = 19,132.16 : x
  2. Step 2: Convert to fraction form
    54,199.68/81,306.08 = 19,132.16/x
  3. Step 3: Cross multiply
    54,199.68x = 81,306.08 × 19,132.16
  4. Step 4: Simplify right side
    54,199.68x = 1,555,560,931.53
  5. Step 5: Solve for x
    x = 1,555,560,931.53/54,199.68
  6. Step 6: Final answer
    x = 28,700.56

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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.