Home / 31,654.42-43,691.73-19,710.70

Finding the Fourth Proportional to 31,654.42, 43,691.73 and 19,710.70

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Solution

The fourth proportional to 31,654.42, 43,691.73 and 19,710.70 is: 27,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.42 : 43,691.73 = 19,710.70 : x
  2. Step 2: Convert to fraction form
    31,654.42/43,691.73 = 19,710.70/x
  3. Step 3: Cross multiply
    31,654.42x = 43,691.73 × 19,710.70
  4. Step 4: Simplify right side
    31,654.42x = 861,194,582.51
  5. Step 5: Solve for x
    x = 861,194,582.51/31,654.42
  6. Step 6: Final answer
    x = 27,206.14

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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.