Home / 31,620.63-43,634.76-17,472.57

Finding the Fourth Proportional to 31,620.63, 43,634.76 and 17,472.57

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Solution

The fourth proportional to 31,620.63, 43,634.76 and 17,472.57 is: 24,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.63 : 43,634.76 = 17,472.57 : x
  2. Step 2: Convert to fraction form
    31,620.63/43,634.76 = 17,472.57/x
  3. Step 3: Cross multiply
    31,620.63x = 43,634.76 × 17,472.57
  4. Step 4: Simplify right side
    31,620.63x = 762,411,398.53
  5. Step 5: Solve for x
    x = 762,411,398.53/31,620.63
  6. Step 6: Final answer
    x = 24,111.20

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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.