Home / 20,182.02-30,278.10-7,034.52

Finding the Fourth Proportional to 20,182.02, 30,278.10 and 7,034.52

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Solution

The fourth proportional to 20,182.02, 30,278.10 and 7,034.52 is: 10,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.02 : 30,278.10 = 7,034.52 : x
  2. Step 2: Convert to fraction form
    20,182.02/30,278.10 = 7,034.52/x
  3. Step 3: Cross multiply
    20,182.02x = 30,278.10 × 7,034.52
  4. Step 4: Simplify right side
    20,182.02x = 212,991,900.01
  5. Step 5: Solve for x
    x = 212,991,900.01/20,182.02
  6. Step 6: Final answer
    x = 10,553.55

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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.