Home / 31,381.32-43,345.24-23,459.52

Finding the Fourth Proportional to 31,381.32, 43,345.24 and 23,459.52

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Solution

The fourth proportional to 31,381.32, 43,345.24 and 23,459.52 is: 32,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.32 : 43,345.24 = 23,459.52 : x
  2. Step 2: Convert to fraction form
    31,381.32/43,345.24 = 23,459.52/x
  3. Step 3: Cross multiply
    31,381.32x = 43,345.24 × 23,459.52
  4. Step 4: Simplify right side
    31,381.32x = 1,016,858,524.68
  5. Step 5: Solve for x
    x = 1,016,858,524.68/31,381.32
  6. Step 6: Final answer
    x = 32,403.31

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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.