Home / 31,655.22-43,684.49-17,314.76

Finding the Fourth Proportional to 31,655.22, 43,684.49 and 17,314.76

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Solution

The fourth proportional to 31,655.22, 43,684.49 and 17,314.76 is: 23,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.22 : 43,684.49 = 17,314.76 : x
  2. Step 2: Convert to fraction form
    31,655.22/43,684.49 = 17,314.76/x
  3. Step 3: Cross multiply
    31,655.22x = 43,684.49 × 17,314.76
  4. Step 4: Simplify right side
    31,655.22x = 756,386,515.17
  5. Step 5: Solve for x
    x = 756,386,515.17/31,655.22
  6. Step 6: Final answer
    x = 23,894.53

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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.