Home / 31,625.10-43,642.14-17,478.18

Finding the Fourth Proportional to 31,625.10, 43,642.14 and 17,478.18

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Solution

The fourth proportional to 31,625.10, 43,642.14 and 17,478.18 is: 24,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.10 : 43,642.14 = 17,478.18 : x
  2. Step 2: Convert to fraction form
    31,625.10/43,642.14 = 17,478.18/x
  3. Step 3: Cross multiply
    31,625.10x = 43,642.14 × 17,478.18
  4. Step 4: Simplify right side
    31,625.10x = 762,785,178.51
  5. Step 5: Solve for x
    x = 762,785,178.51/31,625.10
  6. Step 6: Final answer
    x = 24,119.61

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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.