Home / 37,441.95-51,672-20,447.78

Finding the Fourth Proportional to 37,441.95, 51,672 and 20,447.78

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Solution

The fourth proportional to 37,441.95, 51,672 and 20,447.78 is: 28,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,441.95 : 51,672 = 20,447.78 : x
  2. Step 2: Convert to fraction form
    37,441.95/51,672 = 20,447.78/x
  3. Step 3: Cross multiply
    37,441.95x = 51,672 × 20,447.78
  4. Step 4: Simplify right side
    37,441.95x = 1,056,577,429.80
  5. Step 5: Solve for x
    x = 1,056,577,429.80/37,441.95
  6. Step 6: Final answer
    x = 28,219.08

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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.