Home / 47,689.02-71,559.45-20,006.46

Finding the Fourth Proportional to 47,689.02, 71,559.45 and 20,006.46

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Solution

The fourth proportional to 47,689.02, 71,559.45 and 20,006.46 is: 30,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.02 : 71,559.45 = 20,006.46 : x
  2. Step 2: Convert to fraction form
    47,689.02/71,559.45 = 20,006.46/x
  3. Step 3: Cross multiply
    47,689.02x = 71,559.45 × 20,006.46
  4. Step 4: Simplify right side
    47,689.02x = 1,431,651,274.05
  5. Step 5: Solve for x
    x = 1,431,651,274.05/47,689.02
  6. Step 6: Final answer
    x = 30,020.56

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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.