Home / 31,959.97-47,918.08-17,153.98

Finding the Fourth Proportional to 31,959.97, 47,918.08 and 17,153.98

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Solution

The fourth proportional to 31,959.97, 47,918.08 and 17,153.98 is: 25,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.97 : 47,918.08 = 17,153.98 : x
  2. Step 2: Convert to fraction form
    31,959.97/47,918.08 = 17,153.98/x
  3. Step 3: Cross multiply
    31,959.97x = 47,918.08 × 17,153.98
  4. Step 4: Simplify right side
    31,959.97x = 821,985,687.61
  5. Step 5: Solve for x
    x = 821,985,687.61/31,959.97
  6. Step 6: Final answer
    x = 25,719.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.