Home / 31,877.16-44,027.18-21,248.34

Finding the Fourth Proportional to 31,877.16, 44,027.18 and 21,248.34

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Solution

The fourth proportional to 31,877.16, 44,027.18 and 21,248.34 is: 29,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.16 : 44,027.18 = 21,248.34 : x
  2. Step 2: Convert to fraction form
    31,877.16/44,027.18 = 21,248.34/x
  3. Step 3: Cross multiply
    31,877.16x = 44,027.18 × 21,248.34
  4. Step 4: Simplify right side
    31,877.16x = 935,504,489.88
  5. Step 5: Solve for x
    x = 935,504,489.88/31,877.16
  6. Step 6: Final answer
    x = 29,347.17

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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.