Home / 31,929.24-47,844.45-21,938.76

Finding the Fourth Proportional to 31,929.24, 47,844.45 and 21,938.76

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Solution

The fourth proportional to 31,929.24, 47,844.45 and 21,938.76 is: 32,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.24 : 47,844.45 = 21,938.76 : x
  2. Step 2: Convert to fraction form
    31,929.24/47,844.45 = 21,938.76/x
  3. Step 3: Cross multiply
    31,929.24x = 47,844.45 × 21,938.76
  4. Step 4: Simplify right side
    31,929.24x = 1,049,647,905.88
  5. Step 5: Solve for x
    x = 1,049,647,905.88/31,929.24
  6. Step 6: Final answer
    x = 32,874.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.