Home / 39,899.75-55,020.75-26,291.35

Finding the Fourth Proportional to 39,899.75, 55,020.75 and 26,291.35

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Solution

The fourth proportional to 39,899.75, 55,020.75 and 26,291.35 is: 36,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.75 : 55,020.75 = 26,291.35 : x
  2. Step 2: Convert to fraction form
    39,899.75/55,020.75 = 26,291.35/x
  3. Step 3: Cross multiply
    39,899.75x = 55,020.75 × 26,291.35
  4. Step 4: Simplify right side
    39,899.75x = 1,446,569,520.41
  5. Step 5: Solve for x
    x = 1,446,569,520.41/39,899.75
  6. Step 6: Final answer
    x = 36,255.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.