Home / 31,146.88-42,944.04-27,107.68

Finding the Fourth Proportional to 31,146.88, 42,944.04 and 27,107.68

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Solution

The fourth proportional to 31,146.88, 42,944.04 and 27,107.68 is: 37,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.88 : 42,944.04 = 27,107.68 : x
  2. Step 2: Convert to fraction form
    31,146.88/42,944.04 = 27,107.68/x
  3. Step 3: Cross multiply
    31,146.88x = 42,944.04 × 27,107.68
  4. Step 4: Simplify right side
    31,146.88x = 1,164,113,294.23
  5. Step 5: Solve for x
    x = 1,164,113,294.23/31,146.88
  6. Step 6: Final answer
    x = 37,374.96

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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.