Home / 36,638.72-54,963.54-13,259.69

Finding the Fourth Proportional to 36,638.72, 54,963.54 and 13,259.69

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Solution

The fourth proportional to 36,638.72, 54,963.54 and 13,259.69 is: 19,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.72 : 54,963.54 = 13,259.69 : x
  2. Step 2: Convert to fraction form
    36,638.72/54,963.54 = 13,259.69/x
  3. Step 3: Cross multiply
    36,638.72x = 54,963.54 × 13,259.69
  4. Step 4: Simplify right side
    36,638.72x = 728,799,501.70
  5. Step 5: Solve for x
    x = 728,799,501.70/36,638.72
  6. Step 6: Final answer
    x = 19,891.51

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1.5x scale

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.