Home / 36,020.90-49,713.54-20,108.66

Finding the Fourth Proportional to 36,020.90, 49,713.54 and 20,108.66

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Solution

The fourth proportional to 36,020.90, 49,713.54 and 20,108.66 is: 27,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.90 : 49,713.54 = 20,108.66 : x
  2. Step 2: Convert to fraction form
    36,020.90/49,713.54 = 20,108.66/x
  3. Step 3: Cross multiply
    36,020.90x = 49,713.54 × 20,108.66
  4. Step 4: Simplify right side
    36,020.90x = 999,672,673.26
  5. Step 5: Solve for x
    x = 999,672,673.26/36,020.90
  6. Step 6: Final answer
    x = 27,752.57

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1.5x scale

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.