Home / 36,543.18-54,816.06-18,769.05

Finding the Fourth Proportional to 36,543.18, 54,816.06 and 18,769.05

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Solution

The fourth proportional to 36,543.18, 54,816.06 and 18,769.05 is: 28,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.18 : 54,816.06 = 18,769.05 : x
  2. Step 2: Convert to fraction form
    36,543.18/54,816.06 = 18,769.05/x
  3. Step 3: Cross multiply
    36,543.18x = 54,816.06 × 18,769.05
  4. Step 4: Simplify right side
    36,543.18x = 1,028,845,370.94
  5. Step 5: Solve for x
    x = 1,028,845,370.94/36,543.18
  6. Step 6: Final answer
    x = 28,154.24

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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.