Home / 37,278.74-51,463.71-28,761.74

Finding the Fourth Proportional to 37,278.74, 51,463.71 and 28,761.74

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Solution

The fourth proportional to 37,278.74, 51,463.71 and 28,761.74 is: 39,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.74 : 51,463.71 = 28,761.74 : x
  2. Step 2: Convert to fraction form
    37,278.74/51,463.71 = 28,761.74/x
  3. Step 3: Cross multiply
    37,278.74x = 51,463.71 × 28,761.74
  4. Step 4: Simplify right side
    37,278.74x = 1,480,185,846.46
  5. Step 5: Solve for x
    x = 1,480,185,846.46/37,278.74
  6. Step 6: Final answer
    x = 39,705.90

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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.