Home / 36,342.27-50,152.06-20,426.78

Finding the Fourth Proportional to 36,342.27, 50,152.06 and 20,426.78

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Solution

The fourth proportional to 36,342.27, 50,152.06 and 20,426.78 is: 28,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.27 : 50,152.06 = 20,426.78 : x
  2. Step 2: Convert to fraction form
    36,342.27/50,152.06 = 20,426.78/x
  3. Step 3: Cross multiply
    36,342.27x = 50,152.06 × 20,426.78
  4. Step 4: Simplify right side
    36,342.27x = 1,024,445,247.08
  5. Step 5: Solve for x
    x = 1,024,445,247.08/36,342.27
  6. Step 6: Final answer
    x = 28,188.81

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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.