Home / 37,443.11-51,671.43-20,447.51

Finding the Fourth Proportional to 37,443.11, 51,671.43 and 20,447.51

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Solution

The fourth proportional to 37,443.11, 51,671.43 and 20,447.51 is: 28,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,443.11 : 51,671.43 = 20,447.51 : x
  2. Step 2: Convert to fraction form
    37,443.11/51,671.43 = 20,447.51/x
  3. Step 3: Cross multiply
    37,443.11x = 51,671.43 × 20,447.51
  4. Step 4: Simplify right side
    37,443.11x = 1,056,551,823.28
  5. Step 5: Solve for x
    x = 1,056,551,823.28/37,443.11
  6. Step 6: Final answer
    x = 28,217.53

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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.