Home / 34,239.03-51,287.80-20,155.66

Finding the Fourth Proportional to 34,239.03, 51,287.80 and 20,155.66

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Solution

The fourth proportional to 34,239.03, 51,287.80 and 20,155.66 is: 30,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,239.03 : 51,287.80 = 20,155.66 : x
  2. Step 2: Convert to fraction form
    34,239.03/51,287.80 = 20,155.66/x
  3. Step 3: Cross multiply
    34,239.03x = 51,287.80 × 20,155.66
  4. Step 4: Simplify right side
    34,239.03x = 1,033,739,358.17
  5. Step 5: Solve for x
    x = 1,033,739,358.17/34,239.03
  6. Step 6: Final answer
    x = 30,191.84

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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.