Home / 57,009.72-85,433.58-26,991.93

Finding the Fourth Proportional to 57,009.72, 85,433.58 and 26,991.93

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Solution

The fourth proportional to 57,009.72, 85,433.58 and 26,991.93 is: 40,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009.72 : 85,433.58 = 26,991.93 : x
  2. Step 2: Convert to fraction form
    57,009.72/85,433.58 = 26,991.93/x
  3. Step 3: Cross multiply
    57,009.72x = 85,433.58 × 26,991.93
  4. Step 4: Simplify right side
    57,009.72x = 2,306,017,211.01
  5. Step 5: Solve for x
    x = 2,306,017,211.01/57,009.72
  6. Step 6: Final answer
    x = 40,449.54

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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.