Home / 31,862.46-43,971.75-17,715

Finding the Fourth Proportional to 31,862.46, 43,971.75 and 17,715

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Solution

The fourth proportional to 31,862.46, 43,971.75 and 17,715 is: 24,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.46 : 43,971.75 = 17,715 : x
  2. Step 2: Convert to fraction form
    31,862.46/43,971.75 = 17,715/x
  3. Step 3: Cross multiply
    31,862.46x = 43,971.75 × 17,715
  4. Step 4: Simplify right side
    31,862.46x = 778,959,551.25
  5. Step 5: Solve for x
    x = 778,959,551.25/31,862.46
  6. Step 6: Final answer
    x = 24,447.56

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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.