Home / 31,307.15-43,204.03-17,160.10

Finding the Fourth Proportional to 31,307.15, 43,204.03 and 17,160.10

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Solution

The fourth proportional to 31,307.15, 43,204.03 and 17,160.10 is: 23,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.15 : 43,204.03 = 17,160.10 : x
  2. Step 2: Convert to fraction form
    31,307.15/43,204.03 = 17,160.10/x
  3. Step 3: Cross multiply
    31,307.15x = 43,204.03 × 17,160.10
  4. Step 4: Simplify right side
    31,307.15x = 741,385,324.29
  5. Step 5: Solve for x
    x = 741,385,324.29/31,307.15
  6. Step 6: Final answer
    x = 23,681.02

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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.