Home / 54,668.85-75,442.68-30,803.21

Finding the Fourth Proportional to 54,668.85, 75,442.68 and 30,803.21

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Solution

The fourth proportional to 54,668.85, 75,442.68 and 30,803.21 is: 42,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.85 : 75,442.68 = 30,803.21 : x
  2. Step 2: Convert to fraction form
    54,668.85/75,442.68 = 30,803.21/x
  3. Step 3: Cross multiply
    54,668.85x = 75,442.68 × 30,803.21
  4. Step 4: Simplify right side
    54,668.85x = 2,323,876,505.19
  5. Step 5: Solve for x
    x = 2,323,876,505.19/54,668.85
  6. Step 6: Final answer
    x = 42,508.24

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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.