Home / 31,160.63-43,001.44-17,013.47

Finding the Fourth Proportional to 31,160.63, 43,001.44 and 17,013.47

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Solution

The fourth proportional to 31,160.63, 43,001.44 and 17,013.47 is: 23,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.63 : 43,001.44 = 17,013.47 : x
  2. Step 2: Convert to fraction form
    31,160.63/43,001.44 = 17,013.47/x
  3. Step 3: Cross multiply
    31,160.63x = 43,001.44 × 17,013.47
  4. Step 4: Simplify right side
    31,160.63x = 731,603,451.86
  5. Step 5: Solve for x
    x = 731,603,451.86/31,160.63
  6. Step 6: Final answer
    x = 23,478.45

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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.