Home / 43,117.39-64,676.13-13,537.54

Finding the Fourth Proportional to 43,117.39, 64,676.13 and 13,537.54

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Solution

The fourth proportional to 43,117.39, 64,676.13 and 13,537.54 is: 20,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117.39 : 64,676.13 = 13,537.54 : x
  2. Step 2: Convert to fraction form
    43,117.39/64,676.13 = 13,537.54/x
  3. Step 3: Cross multiply
    43,117.39x = 64,676.13 × 13,537.54
  4. Step 4: Simplify right side
    43,117.39x = 875,555,696.92
  5. Step 5: Solve for x
    x = 875,555,696.92/43,117.39
  6. Step 6: Final answer
    x = 20,306.32

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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.