Home / 36,220.90-54,320.10-17,489.29

Finding the Fourth Proportional to 36,220.90, 54,320.10 and 17,489.29

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Solution

The fourth proportional to 36,220.90, 54,320.10 and 17,489.29 is: 26,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.90 : 54,320.10 = 17,489.29 : x
  2. Step 2: Convert to fraction form
    36,220.90/54,320.10 = 17,489.29/x
  3. Step 3: Cross multiply
    36,220.90x = 54,320.10 × 17,489.29
  4. Step 4: Simplify right side
    36,220.90x = 950,020,049.63
  5. Step 5: Solve for x
    x = 950,020,049.63/36,220.90
  6. Step 6: Final answer
    x = 26,228.50

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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.