Home / 36,423.72-54,661.50-28,112.04

Finding the Fourth Proportional to 36,423.72, 54,661.50 and 28,112.04

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Solution

The fourth proportional to 36,423.72, 54,661.50 and 28,112.04 is: 42,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.72 : 54,661.50 = 28,112.04 : x
  2. Step 2: Convert to fraction form
    36,423.72/54,661.50 = 28,112.04/x
  3. Step 3: Cross multiply
    36,423.72x = 54,661.50 × 28,112.04
  4. Step 4: Simplify right side
    36,423.72x = 1,536,646,274.46
  5. Step 5: Solve for x
    x = 1,536,646,274.46/36,423.72
  6. Step 6: Final answer
    x = 42,188.07

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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.