Home / 31,767.86-43,845.36-18,337.26

Finding the Fourth Proportional to 31,767.86, 43,845.36 and 18,337.26

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Solution

The fourth proportional to 31,767.86, 43,845.36 and 18,337.26 is: 25,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.86 : 43,845.36 = 18,337.26 : x
  2. Step 2: Convert to fraction form
    31,767.86/43,845.36 = 18,337.26/x
  3. Step 3: Cross multiply
    31,767.86x = 43,845.36 × 18,337.26
  4. Step 4: Simplify right side
    31,767.86x = 804,003,766.11
  5. Step 5: Solve for x
    x = 804,003,766.11/31,767.86
  6. Step 6: Final answer
    x = 25,308.72

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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.