Home / 47,851.20-72,135.27-44,640

Finding the Fourth Proportional to 47,851.20, 72,135.27 and 44,640

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Solution

The fourth proportional to 47,851.20, 72,135.27 and 44,640 is: 67,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.20 : 72,135.27 = 44,640 : x
  2. Step 2: Convert to fraction form
    47,851.20/72,135.27 = 44,640/x
  3. Step 3: Cross multiply
    47,851.20x = 72,135.27 × 44,640
  4. Step 4: Simplify right side
    47,851.20x = 3,220,118,452.80
  5. Step 5: Solve for x
    x = 3,220,118,452.80/47,851.20
  6. Step 6: Final answer
    x = 67,294.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.