Home / 31,590.31-43,600.20-18,844.29

Finding the Fourth Proportional to 31,590.31, 43,600.20 and 18,844.29

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Solution

The fourth proportional to 31,590.31, 43,600.20 and 18,844.29 is: 26,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.31 : 43,600.20 = 18,844.29 : x
  2. Step 2: Convert to fraction form
    31,590.31/43,600.20 = 18,844.29/x
  3. Step 3: Cross multiply
    31,590.31x = 43,600.20 × 18,844.29
  4. Step 4: Simplify right side
    31,590.31x = 821,614,812.86
  5. Step 5: Solve for x
    x = 821,614,812.86/31,590.31
  6. Step 6: Final answer
    x = 26,008.44

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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.