Home / 31,307.48-43,204.07-17,160.29

Finding the Fourth Proportional to 31,307.48, 43,204.07 and 17,160.29

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Solution

The fourth proportional to 31,307.48, 43,204.07 and 17,160.29 is: 23,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.48 : 43,204.07 = 17,160.29 : x
  2. Step 2: Convert to fraction form
    31,307.48/43,204.07 = 17,160.29/x
  3. Step 3: Cross multiply
    31,307.48x = 43,204.07 × 17,160.29
  4. Step 4: Simplify right side
    31,307.48x = 741,394,068.56
  5. Step 5: Solve for x
    x = 741,394,068.56/31,307.48
  6. Step 6: Final answer
    x = 23,681.06

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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.