Home / 31,266.06-43,146.18-17,118.06

Finding the Fourth Proportional to 31,266.06, 43,146.18 and 17,118.06

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Solution

The fourth proportional to 31,266.06, 43,146.18 and 17,118.06 is: 23,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.06 : 43,146.18 = 17,118.06 : x
  2. Step 2: Convert to fraction form
    31,266.06/43,146.18 = 17,118.06/x
  3. Step 3: Cross multiply
    31,266.06x = 43,146.18 × 17,118.06
  4. Step 4: Simplify right side
    31,266.06x = 738,578,898.01
  5. Step 5: Solve for x
    x = 738,578,898.01/31,266.06
  6. Step 6: Final answer
    x = 23,622.38

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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.