Home / 42,506.85-63,704.88-26,489.81

Finding the Fourth Proportional to 42,506.85, 63,704.88 and 26,489.81

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Solution

The fourth proportional to 42,506.85, 63,704.88 and 26,489.81 is: 39,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,506.85 : 63,704.88 = 26,489.81 : x
  2. Step 2: Convert to fraction form
    42,506.85/63,704.88 = 26,489.81/x
  3. Step 3: Cross multiply
    42,506.85x = 63,704.88 × 26,489.81
  4. Step 4: Simplify right side
    42,506.85x = 1,687,530,147.37
  5. Step 5: Solve for x
    x = 1,687,530,147.37/42,506.85
  6. Step 6: Final answer
    x = 39,700.19

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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.