Home / 31,159.59-43,001.13-17,013.34

Finding the Fourth Proportional to 31,159.59, 43,001.13 and 17,013.34

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Solution

The fourth proportional to 31,159.59, 43,001.13 and 17,013.34 is: 23,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.59 : 43,001.13 = 17,013.34 : x
  2. Step 2: Convert to fraction form
    31,159.59/43,001.13 = 17,013.34/x
  3. Step 3: Cross multiply
    31,159.59x = 43,001.13 × 17,013.34
  4. Step 4: Simplify right side
    31,159.59x = 731,592,845.07
  5. Step 5: Solve for x
    x = 731,592,845.07/31,159.59
  6. Step 6: Final answer
    x = 23,478.90

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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.