Home / 20,499.09-30,748.65-5,708.04

Finding the Fourth Proportional to 20,499.09, 30,748.65 and 5,708.04

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Solution

The fourth proportional to 20,499.09, 30,748.65 and 5,708.04 is: 8,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,499.09 : 30,748.65 = 5,708.04 : x
  2. Step 2: Convert to fraction form
    20,499.09/30,748.65 = 5,708.04/x
  3. Step 3: Cross multiply
    20,499.09x = 30,748.65 × 5,708.04
  4. Step 4: Simplify right side
    20,499.09x = 175,514,370.40
  5. Step 5: Solve for x
    x = 175,514,370.40/20,499.09
  6. Step 6: Final answer
    x = 8,562.06

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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.