Home / 40,275.12-55,578.12-22,371.27

Finding the Fourth Proportional to 40,275.12, 55,578.12 and 22,371.27

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Solution

The fourth proportional to 40,275.12, 55,578.12 and 22,371.27 is: 30,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.12 : 55,578.12 = 22,371.27 : x
  2. Step 2: Convert to fraction form
    40,275.12/55,578.12 = 22,371.27/x
  3. Step 3: Cross multiply
    40,275.12x = 55,578.12 × 22,371.27
  4. Step 4: Simplify right side
    40,275.12x = 1,243,353,016.76
  5. Step 5: Solve for x
    x = 1,243,353,016.76/40,275.12
  6. Step 6: Final answer
    x = 30,871.49

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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.