Home / 40,127.76-55,378.38-22,224.72

Finding the Fourth Proportional to 40,127.76, 55,378.38 and 22,224.72

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Solution

The fourth proportional to 40,127.76, 55,378.38 and 22,224.72 is: 30,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127.76 : 55,378.38 = 22,224.72 : x
  2. Step 2: Convert to fraction form
    40,127.76/55,378.38 = 22,224.72/x
  3. Step 3: Cross multiply
    40,127.76x = 55,378.38 × 22,224.72
  4. Step 4: Simplify right side
    40,127.76x = 1,230,768,989.55
  5. Step 5: Solve for x
    x = 1,230,768,989.55/40,127.76
  6. Step 6: Final answer
    x = 30,671.26

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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.