Home / 43,157.38-64,751.64-15,081.58

Finding the Fourth Proportional to 43,157.38, 64,751.64 and 15,081.58

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Solution

The fourth proportional to 43,157.38, 64,751.64 and 15,081.58 is: 22,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.38 : 64,751.64 = 15,081.58 : x
  2. Step 2: Convert to fraction form
    43,157.38/64,751.64 = 15,081.58/x
  3. Step 3: Cross multiply
    43,157.38x = 64,751.64 × 15,081.58
  4. Step 4: Simplify right side
    43,157.38x = 976,557,038.79
  5. Step 5: Solve for x
    x = 976,557,038.79/43,157.38
  6. Step 6: Final answer
    x = 22,627.81

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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.