Home / 37,680.30-52,002-20,687.42

Finding the Fourth Proportional to 37,680.30, 52,002 and 20,687.42

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Solution

The fourth proportional to 37,680.30, 52,002 and 20,687.42 is: 28,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680.30 : 52,002 = 20,687.42 : x
  2. Step 2: Convert to fraction form
    37,680.30/52,002 = 20,687.42/x
  3. Step 3: Cross multiply
    37,680.30x = 52,002 × 20,687.42
  4. Step 4: Simplify right side
    37,680.30x = 1,075,787,214.84
  5. Step 5: Solve for x
    x = 1,075,787,214.84/37,680.30
  6. Step 6: Final answer
    x = 28,550.39

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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.