Home / 31,688.67-43,731.05-17,349.10

Finding the Fourth Proportional to 31,688.67, 43,731.05 and 17,349.10

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Solution

The fourth proportional to 31,688.67, 43,731.05 and 17,349.10 is: 23,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.67 : 43,731.05 = 17,349.10 : x
  2. Step 2: Convert to fraction form
    31,688.67/43,731.05 = 17,349.10/x
  3. Step 3: Cross multiply
    31,688.67x = 43,731.05 × 17,349.10
  4. Step 4: Simplify right side
    31,688.67x = 758,694,540.79
  5. Step 5: Solve for x
    x = 758,694,540.79/31,688.67
  6. Step 6: Final answer
    x = 23,942.14

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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.