Home / 34,180.48-47,156.60-21,258.90

Finding the Fourth Proportional to 34,180.48, 47,156.60 and 21,258.90

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Solution

The fourth proportional to 34,180.48, 47,156.60 and 21,258.90 is: 29,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,180.48 : 47,156.60 = 21,258.90 : x
  2. Step 2: Convert to fraction form
    34,180.48/47,156.60 = 21,258.90/x
  3. Step 3: Cross multiply
    34,180.48x = 47,156.60 × 21,258.90
  4. Step 4: Simplify right side
    34,180.48x = 1,002,497,377.31
  5. Step 5: Solve for x
    x = 1,002,497,377.31/34,180.48
  6. Step 6: Final answer
    x = 29,329.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.