Home / 37,888.04-52,286.16-21,121.04

Finding the Fourth Proportional to 37,888.04, 52,286.16 and 21,121.04

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Solution

The fourth proportional to 37,888.04, 52,286.16 and 21,121.04 is: 29,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,888.04 : 52,286.16 = 21,121.04 : x
  2. Step 2: Convert to fraction form
    37,888.04/52,286.16 = 21,121.04/x
  3. Step 3: Cross multiply
    37,888.04x = 52,286.16 × 21,121.04
  4. Step 4: Simplify right side
    37,888.04x = 1,104,338,076.81
  5. Step 5: Solve for x
    x = 1,104,338,076.81/37,888.04
  6. Step 6: Final answer
    x = 29,147.41

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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.