Home / 37,530.68-51,791.95-20,763.80

Finding the Fourth Proportional to 37,530.68, 51,791.95 and 20,763.80

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Solution

The fourth proportional to 37,530.68, 51,791.95 and 20,763.80 is: 28,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,530.68 : 51,791.95 = 20,763.80 : x
  2. Step 2: Convert to fraction form
    37,530.68/51,791.95 = 20,763.80/x
  3. Step 3: Cross multiply
    37,530.68x = 51,791.95 × 20,763.80
  4. Step 4: Simplify right side
    37,530.68x = 1,075,397,380.54
  5. Step 5: Solve for x
    x = 1,075,397,380.54/37,530.68
  6. Step 6: Final answer
    x = 28,653.82

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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.