Home / 34,242.64-51,293.20-20,159.28

Finding the Fourth Proportional to 34,242.64, 51,293.20 and 20,159.28

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Solution

The fourth proportional to 34,242.64, 51,293.20 and 20,159.28 is: 30,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,242.64 : 51,293.20 = 20,159.28 : x
  2. Step 2: Convert to fraction form
    34,242.64/51,293.20 = 20,159.28/x
  3. Step 3: Cross multiply
    34,242.64x = 51,293.20 × 20,159.28
  4. Step 4: Simplify right side
    34,242.64x = 1,034,033,980.90
  5. Step 5: Solve for x
    x = 1,034,033,980.90/34,242.64
  6. Step 6: Final answer
    x = 30,197.26

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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.