Home / 36,921.04-55,384.47-18,190.86

Finding the Fourth Proportional to 36,921.04, 55,384.47 and 18,190.86

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Solution

The fourth proportional to 36,921.04, 55,384.47 and 18,190.86 is: 27,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.04 : 55,384.47 = 18,190.86 : x
  2. Step 2: Convert to fraction form
    36,921.04/55,384.47 = 18,190.86/x
  3. Step 3: Cross multiply
    36,921.04x = 55,384.47 × 18,190.86
  4. Step 4: Simplify right side
    36,921.04x = 1,007,491,139.94
  5. Step 5: Solve for x
    x = 1,007,491,139.94/36,921.04
  6. Step 6: Final answer
    x = 27,287.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.