Home / 31,753.19-47,630.16-21,889.82

Finding the Fourth Proportional to 31,753.19, 47,630.16 and 21,889.82

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Solution

The fourth proportional to 31,753.19, 47,630.16 and 21,889.82 is: 32,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,753.19 : 47,630.16 = 21,889.82 : x
  2. Step 2: Convert to fraction form
    31,753.19/47,630.16 = 21,889.82/x
  3. Step 3: Cross multiply
    31,753.19x = 47,630.16 × 21,889.82
  4. Step 4: Simplify right side
    31,753.19x = 1,042,615,390.82
  5. Step 5: Solve for x
    x = 1,042,615,390.82/31,753.19
  6. Step 6: Final answer
    x = 32,834.99

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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.