Home / 39,976.34-55,169.51-22,071.29

Finding the Fourth Proportional to 39,976.34, 55,169.51 and 22,071.29

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Solution

The fourth proportional to 39,976.34, 55,169.51 and 22,071.29 is: 30,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.34 : 55,169.51 = 22,071.29 : x
  2. Step 2: Convert to fraction form
    39,976.34/55,169.51 = 22,071.29/x
  3. Step 3: Cross multiply
    39,976.34x = 55,169.51 × 22,071.29
  4. Step 4: Simplify right side
    39,976.34x = 1,217,661,868.16
  5. Step 5: Solve for x
    x = 1,217,661,868.16/39,976.34
  6. Step 6: Final answer
    x = 30,459.57

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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.