Home / 34,744.75-47,921.52-21,827.78

Finding the Fourth Proportional to 34,744.75, 47,921.52 and 21,827.78

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Solution

The fourth proportional to 34,744.75, 47,921.52 and 21,827.78 is: 30,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,744.75 : 47,921.52 = 21,827.78 : x
  2. Step 2: Convert to fraction form
    34,744.75/47,921.52 = 21,827.78/x
  3. Step 3: Cross multiply
    34,744.75x = 47,921.52 × 21,827.78
  4. Step 4: Simplify right side
    34,744.75x = 1,046,020,417.78
  5. Step 5: Solve for x
    x = 1,046,020,417.78/34,744.75
  6. Step 6: Final answer
    x = 30,105.86

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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.