Home / 31,314.66-43,217.24-17,887.92

Finding the Fourth Proportional to 31,314.66, 43,217.24 and 17,887.92

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Solution

The fourth proportional to 31,314.66, 43,217.24 and 17,887.92 is: 24,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.66 : 43,217.24 = 17,887.92 : x
  2. Step 2: Convert to fraction form
    31,314.66/43,217.24 = 17,887.92/x
  3. Step 3: Cross multiply
    31,314.66x = 43,217.24 × 17,887.92
  4. Step 4: Simplify right side
    31,314.66x = 773,066,531.74
  5. Step 5: Solve for x
    x = 773,066,531.74/31,314.66
  6. Step 6: Final answer
    x = 24,687.05

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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.