Home / 37,888.75-52,286.48-21,121.75

Finding the Fourth Proportional to 37,888.75, 52,286.48 and 21,121.75

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Solution

The fourth proportional to 37,888.75, 52,286.48 and 21,121.75 is: 29,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,888.75 : 52,286.48 = 21,121.75 : x
  2. Step 2: Convert to fraction form
    37,888.75/52,286.48 = 21,121.75/x
  3. Step 3: Cross multiply
    37,888.75x = 52,286.48 × 21,121.75
  4. Step 4: Simplify right side
    37,888.75x = 1,104,381,958.94
  5. Step 5: Solve for x
    x = 1,104,381,958.94/37,888.75
  6. Step 6: Final answer
    x = 29,148.02

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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.