Home / 38,198.95-52,713.57-21,202.70

Finding the Fourth Proportional to 38,198.95, 52,713.57 and 21,202.70

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Solution

The fourth proportional to 38,198.95, 52,713.57 and 21,202.70 is: 29,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.95 : 52,713.57 = 21,202.70 : x
  2. Step 2: Convert to fraction form
    38,198.95/52,713.57 = 21,202.70/x
  3. Step 3: Cross multiply
    38,198.95x = 52,713.57 × 21,202.70
  4. Step 4: Simplify right side
    38,198.95x = 1,117,670,019.15
  5. Step 5: Solve for x
    x = 1,117,670,019.15/38,198.95
  6. Step 6: Final answer
    x = 29,259.18

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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.