Home / 31,590.28-43,595.46-18,164.68

Finding the Fourth Proportional to 31,590.28, 43,595.46 and 18,164.68

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Solution

The fourth proportional to 31,590.28, 43,595.46 and 18,164.68 is: 25,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.28 : 43,595.46 = 18,164.68 : x
  2. Step 2: Convert to fraction form
    31,590.28/43,595.46 = 18,164.68/x
  3. Step 3: Cross multiply
    31,590.28x = 43,595.46 × 18,164.68
  4. Step 4: Simplify right side
    31,590.28x = 791,897,580.35
  5. Step 5: Solve for x
    x = 791,897,580.35/31,590.28
  6. Step 6: Final answer
    x = 25,067.76

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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.