Home / 31,765.59-43,818.19-19,808.17

Finding the Fourth Proportional to 31,765.59, 43,818.19 and 19,808.17

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Solution

The fourth proportional to 31,765.59, 43,818.19 and 19,808.17 is: 27,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.59 : 43,818.19 = 19,808.17 : x
  2. Step 2: Convert to fraction form
    31,765.59/43,818.19 = 19,808.17/x
  3. Step 3: Cross multiply
    31,765.59x = 43,818.19 × 19,808.17
  4. Step 4: Simplify right side
    31,765.59x = 867,957,997.55
  5. Step 5: Solve for x
    x = 867,957,997.55/31,765.59
  6. Step 6: Final answer
    x = 27,323.84

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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.