Home / 31,176.17-43,022.84-17,028.71

Finding the Fourth Proportional to 31,176.17, 43,022.84 and 17,028.71

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Solution

The fourth proportional to 31,176.17, 43,022.84 and 17,028.71 is: 23,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.17 : 43,022.84 = 17,028.71 : x
  2. Step 2: Convert to fraction form
    31,176.17/43,022.84 = 17,028.71/x
  3. Step 3: Cross multiply
    31,176.17x = 43,022.84 × 17,028.71
  4. Step 4: Simplify right side
    31,176.17x = 732,623,326.81
  5. Step 5: Solve for x
    x = 732,623,326.81/31,176.17
  6. Step 6: Final answer
    x = 23,499.47

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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.