Home / 31,683.08-43,722.70-17,344.28

Finding the Fourth Proportional to 31,683.08, 43,722.70 and 17,344.28

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Solution

The fourth proportional to 31,683.08, 43,722.70 and 17,344.28 is: 23,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.08 : 43,722.70 = 17,344.28 : x
  2. Step 2: Convert to fraction form
    31,683.08/43,722.70 = 17,344.28/x
  3. Step 3: Cross multiply
    31,683.08x = 43,722.70 × 17,344.28
  4. Step 4: Simplify right side
    31,683.08x = 758,338,751.16
  5. Step 5: Solve for x
    x = 758,338,751.16/31,683.08
  6. Step 6: Final answer
    x = 23,935.13

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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.