Home / 31,535.06-43,521.46-17,387.91

Finding the Fourth Proportional to 31,535.06, 43,521.46 and 17,387.91

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Solution

The fourth proportional to 31,535.06, 43,521.46 and 17,387.91 is: 23,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.06 : 43,521.46 = 17,387.91 : x
  2. Step 2: Convert to fraction form
    31,535.06/43,521.46 = 17,387.91/x
  3. Step 3: Cross multiply
    31,535.06x = 43,521.46 × 17,387.91
  4. Step 4: Simplify right side
    31,535.06x = 756,747,186.08
  5. Step 5: Solve for x
    x = 756,747,186.08/31,535.06
  6. Step 6: Final answer
    x = 23,997.01

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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.