Home / 37,888.48-52,286.16-21,121.12

Finding the Fourth Proportional to 37,888.48, 52,286.16 and 21,121.12

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Solution

The fourth proportional to 37,888.48, 52,286.16 and 21,121.12 is: 29,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,888.48 : 52,286.16 = 21,121.12 : x
  2. Step 2: Convert to fraction form
    37,888.48/52,286.16 = 21,121.12/x
  3. Step 3: Cross multiply
    37,888.48x = 52,286.16 × 21,121.12
  4. Step 4: Simplify right side
    37,888.48x = 1,104,342,259.70
  5. Step 5: Solve for x
    x = 1,104,342,259.70/37,888.48
  6. Step 6: Final answer
    x = 29,147.18

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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.