Home / 39,976.56-55,167.30-22,071.19

Finding the Fourth Proportional to 39,976.56, 55,167.30 and 22,071.19

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Solution

The fourth proportional to 39,976.56, 55,167.30 and 22,071.19 is: 30,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.56 : 55,167.30 = 22,071.19 : x
  2. Step 2: Convert to fraction form
    39,976.56/55,167.30 = 22,071.19/x
  3. Step 3: Cross multiply
    39,976.56x = 55,167.30 × 22,071.19
  4. Step 4: Simplify right side
    39,976.56x = 1,217,607,822.17
  5. Step 5: Solve for x
    x = 1,217,607,822.17/39,976.56
  6. Step 6: Final answer
    x = 30,458.04

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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.