Home / 43,161.74-64,751.40-18,201.80

Finding the Fourth Proportional to 43,161.74, 64,751.40 and 18,201.80

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Solution

The fourth proportional to 43,161.74, 64,751.40 and 18,201.80 is: 27,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.74 : 64,751.40 = 18,201.80 : x
  2. Step 2: Convert to fraction form
    43,161.74/64,751.40 = 18,201.80/x
  3. Step 3: Cross multiply
    43,161.74x = 64,751.40 × 18,201.80
  4. Step 4: Simplify right side
    43,161.74x = 1,178,592,032.52
  5. Step 5: Solve for x
    x = 1,178,592,032.52/43,161.74
  6. Step 6: Final answer
    x = 27,306.41

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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.