Home / 37,374.66-51,577.43-20,378.76

Finding the Fourth Proportional to 37,374.66, 51,577.43 and 20,378.76

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Solution

The fourth proportional to 37,374.66, 51,577.43 and 20,378.76 is: 28,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,374.66 : 51,577.43 = 20,378.76 : x
  2. Step 2: Convert to fraction form
    37,374.66/51,577.43 = 20,378.76/x
  3. Step 3: Cross multiply
    37,374.66x = 51,577.43 × 20,378.76
  4. Step 4: Simplify right side
    37,374.66x = 1,051,084,067.39
  5. Step 5: Solve for x
    x = 1,051,084,067.39/37,374.66
  6. Step 6: Final answer
    x = 28,122.91

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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.