Home / 54,792.27-75,609.12-30,921.15

Finding the Fourth Proportional to 54,792.27, 75,609.12 and 30,921.15

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Solution

The fourth proportional to 54,792.27, 75,609.12 and 30,921.15 is: 42,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.27 : 75,609.12 = 30,921.15 : x
  2. Step 2: Convert to fraction form
    54,792.27/75,609.12 = 30,921.15/x
  3. Step 3: Cross multiply
    54,792.27x = 75,609.12 × 30,921.15
  4. Step 4: Simplify right side
    54,792.27x = 2,337,920,940.89
  5. Step 5: Solve for x
    x = 2,337,920,940.89/54,792.27
  6. Step 6: Final answer
    x = 42,668.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.