Home / 34,305.89-47,343.57-21,211.73

Finding the Fourth Proportional to 34,305.89, 47,343.57 and 21,211.73

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Solution

The fourth proportional to 34,305.89, 47,343.57 and 21,211.73 is: 29,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.89 : 47,343.57 = 21,211.73 : x
  2. Step 2: Convert to fraction form
    34,305.89/47,343.57 = 21,211.73/x
  3. Step 3: Cross multiply
    34,305.89x = 47,343.57 × 21,211.73
  4. Step 4: Simplify right side
    34,305.89x = 1,004,238,787.36
  5. Step 5: Solve for x
    x = 1,004,238,787.36/34,305.89
  6. Step 6: Final answer
    x = 29,273.08

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Double scale
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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.