Home / 37,907.40-52,314.80-21,991.85

Finding the Fourth Proportional to 37,907.40, 52,314.80 and 21,991.85

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Solution

The fourth proportional to 37,907.40, 52,314.80 and 21,991.85 is: 30,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.40 : 52,314.80 = 21,991.85 : x
  2. Step 2: Convert to fraction form
    37,907.40/52,314.80 = 21,991.85/x
  3. Step 3: Cross multiply
    37,907.40x = 52,314.80 × 21,991.85
  4. Step 4: Simplify right side
    37,907.40x = 1,150,498,862.85
  5. Step 5: Solve for x
    x = 1,150,498,862.85/37,907.40
  6. Step 6: Final answer
    x = 30,350.24

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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.