Home / 37,907.55-52,304.40-21,989.97

Finding the Fourth Proportional to 37,907.55, 52,304.40 and 21,989.97

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Solution

The fourth proportional to 37,907.55, 52,304.40 and 21,989.97 is: 30,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.55 : 52,304.40 = 21,989.97 : x
  2. Step 2: Convert to fraction form
    37,907.55/52,304.40 = 21,989.97/x
  3. Step 3: Cross multiply
    37,907.55x = 52,304.40 × 21,989.97
  4. Step 4: Simplify right side
    37,907.55x = 1,150,172,186.87
  5. Step 5: Solve for x
    x = 1,150,172,186.87/37,907.55
  6. Step 6: Final answer
    x = 30,341.51

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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.