Home / 34,377.60-47,445.48-20,231.76

Finding the Fourth Proportional to 34,377.60, 47,445.48 and 20,231.76

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Solution

The fourth proportional to 34,377.60, 47,445.48 and 20,231.76 is: 27,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,377.60 : 47,445.48 = 20,231.76 : x
  2. Step 2: Convert to fraction form
    34,377.60/47,445.48 = 20,231.76/x
  3. Step 3: Cross multiply
    34,377.60x = 47,445.48 × 20,231.76
  4. Step 4: Simplify right side
    34,377.60x = 959,905,564.44
  5. Step 5: Solve for x
    x = 959,905,564.44/34,377.60
  6. Step 6: Final answer
    x = 27,922.41

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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.