Home / 40,138.64-55,393.28-24,222.80

Finding the Fourth Proportional to 40,138.64, 55,393.28 and 24,222.80

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Solution

The fourth proportional to 40,138.64, 55,393.28 and 24,222.80 is: 33,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.64 : 55,393.28 = 24,222.80 : x
  2. Step 2: Convert to fraction form
    40,138.64/55,393.28 = 24,222.80/x
  3. Step 3: Cross multiply
    40,138.64x = 55,393.28 × 24,222.80
  4. Step 4: Simplify right side
    40,138.64x = 1,341,780,342.78
  5. Step 5: Solve for x
    x = 1,341,780,342.78/40,138.64
  6. Step 6: Final answer
    x = 33,428.64

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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.