Home / 20,531.62-30,798.24-5,741.92

Finding the Fourth Proportional to 20,531.62, 30,798.24 and 5,741.92

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Solution

The fourth proportional to 20,531.62, 30,798.24 and 5,741.92 is: 8,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531.62 : 30,798.24 = 5,741.92 : x
  2. Step 2: Convert to fraction form
    20,531.62/30,798.24 = 5,741.92/x
  3. Step 3: Cross multiply
    20,531.62x = 30,798.24 × 5,741.92
  4. Step 4: Simplify right side
    20,531.62x = 176,841,030.22
  5. Step 5: Solve for x
    x = 176,841,030.22/20,531.62
  6. Step 6: Final answer
    x = 8,613.11

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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.