Home / 31,447.85-43,381.31-23,881.64

Finding the Fourth Proportional to 31,447.85, 43,381.31 and 23,881.64

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Solution

The fourth proportional to 31,447.85, 43,381.31 and 23,881.64 is: 32,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.85 : 43,381.31 = 23,881.64 : x
  2. Step 2: Convert to fraction form
    31,447.85/43,381.31 = 23,881.64/x
  3. Step 3: Cross multiply
    31,447.85x = 43,381.31 × 23,881.64
  4. Step 4: Simplify right side
    31,447.85x = 1,036,016,491.83
  5. Step 5: Solve for x
    x = 1,036,016,491.83/31,447.85
  6. Step 6: Final answer
    x = 32,943.96

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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.