Home / 34,245.18-47,227.75-21,499.55

Finding the Fourth Proportional to 34,245.18, 47,227.75 and 21,499.55

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Solution

The fourth proportional to 34,245.18, 47,227.75 and 21,499.55 is: 29,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.18 : 47,227.75 = 21,499.55 : x
  2. Step 2: Convert to fraction form
    34,245.18/47,227.75 = 21,499.55/x
  3. Step 3: Cross multiply
    34,245.18x = 47,227.75 × 21,499.55
  4. Step 4: Simplify right side
    34,245.18x = 1,015,375,372.51
  5. Step 5: Solve for x
    x = 1,015,375,372.51/34,245.18
  6. Step 6: Final answer
    x = 29,650.17

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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.