Home / 40,152.92-55,409.18-22,003.56

Finding the Fourth Proportional to 40,152.92, 55,409.18 and 22,003.56

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Solution

The fourth proportional to 40,152.92, 55,409.18 and 22,003.56 is: 30,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.92 : 55,409.18 = 22,003.56 : x
  2. Step 2: Convert to fraction form
    40,152.92/55,409.18 = 22,003.56/x
  3. Step 3: Cross multiply
    40,152.92x = 55,409.18 × 22,003.56
  4. Step 4: Simplify right side
    40,152.92x = 1,219,199,106.66
  5. Step 5: Solve for x
    x = 1,219,199,106.66/40,152.92
  6. Step 6: Final answer
    x = 30,363.90

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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.