Home / 40,298.94-55,612.13-22,393.55

Finding the Fourth Proportional to 40,298.94, 55,612.13 and 22,393.55

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Solution

The fourth proportional to 40,298.94, 55,612.13 and 22,393.55 is: 30,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.94 : 55,612.13 = 22,393.55 : x
  2. Step 2: Convert to fraction form
    40,298.94/55,612.13 = 22,393.55/x
  3. Step 3: Cross multiply
    40,298.94x = 55,612.13 × 22,393.55
  4. Step 4: Simplify right side
    40,298.94x = 1,245,353,040.82
  5. Step 5: Solve for x
    x = 1,245,353,040.82/40,298.94
  6. Step 6: Final answer
    x = 30,902.87

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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.