Home / 37,374.53-51,577.25-20,378.63

Finding the Fourth Proportional to 37,374.53, 51,577.25 and 20,378.63

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Solution

The fourth proportional to 37,374.53, 51,577.25 and 20,378.63 is: 28,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,374.53 : 51,577.25 = 20,378.63 : x
  2. Step 2: Convert to fraction form
    37,374.53/51,577.25 = 20,378.63/x
  3. Step 3: Cross multiply
    37,374.53x = 51,577.25 × 20,378.63
  4. Step 4: Simplify right side
    37,374.53x = 1,051,073,694.17
  5. Step 5: Solve for x
    x = 1,051,073,694.17/37,374.53
  6. Step 6: Final answer
    x = 28,122.73

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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.