Home / 47,851.45-71,724.32-19,756.02

Finding the Fourth Proportional to 47,851.45, 71,724.32 and 19,756.02

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Solution

The fourth proportional to 47,851.45, 71,724.32 and 19,756.02 is: 29,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.45 : 71,724.32 = 19,756.02 : x
  2. Step 2: Convert to fraction form
    47,851.45/71,724.32 = 19,756.02/x
  3. Step 3: Cross multiply
    47,851.45x = 71,724.32 × 19,756.02
  4. Step 4: Simplify right side
    47,851.45x = 1,416,986,806.75
  5. Step 5: Solve for x
    x = 1,416,986,806.75/47,851.45
  6. Step 6: Final answer
    x = 29,612.20

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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.