Home / 31,824.39-43,916.43-17,678.13

Finding the Fourth Proportional to 31,824.39, 43,916.43 and 17,678.13

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Solution

The fourth proportional to 31,824.39, 43,916.43 and 17,678.13 is: 24,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.39 : 43,916.43 = 17,678.13 : x
  2. Step 2: Convert to fraction form
    31,824.39/43,916.43 = 17,678.13/x
  3. Step 3: Cross multiply
    31,824.39x = 43,916.43 × 17,678.13
  4. Step 4: Simplify right side
    31,824.39x = 776,360,358.68
  5. Step 5: Solve for x
    x = 776,360,358.68/31,824.39
  6. Step 6: Final answer
    x = 24,395.14

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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.