Home / 31,217.59-43,080.47-17,070.49

Finding the Fourth Proportional to 31,217.59, 43,080.47 and 17,070.49

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Solution

The fourth proportional to 31,217.59, 43,080.47 and 17,070.49 is: 23,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.59 : 43,080.47 = 17,070.49 : x
  2. Step 2: Convert to fraction form
    31,217.59/43,080.47 = 17,070.49/x
  3. Step 3: Cross multiply
    31,217.59x = 43,080.47 × 17,070.49
  4. Step 4: Simplify right side
    31,217.59x = 735,404,732.33
  5. Step 5: Solve for x
    x = 735,404,732.33/31,217.59
  6. Step 6: Final answer
    x = 23,557.38

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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.