Home / 37,441.47-51,671.32-20,447.29

Finding the Fourth Proportional to 37,441.47, 51,671.32 and 20,447.29

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Solution

The fourth proportional to 37,441.47, 51,671.32 and 20,447.29 is: 28,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,441.47 : 51,671.32 = 20,447.29 : x
  2. Step 2: Convert to fraction form
    37,441.47/51,671.32 = 20,447.29/x
  3. Step 3: Cross multiply
    37,441.47x = 51,671.32 × 20,447.29
  4. Step 4: Simplify right side
    37,441.47x = 1,056,538,187.54
  5. Step 5: Solve for x
    x = 1,056,538,187.54/37,441.47
  6. Step 6: Final answer
    x = 28,218.40

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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.