Home / 37,411.20-51,625.85-20,415.02

Finding the Fourth Proportional to 37,411.20, 51,625.85 and 20,415.02

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Solution

The fourth proportional to 37,411.20, 51,625.85 and 20,415.02 is: 28,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,411.20 : 51,625.85 = 20,415.02 : x
  2. Step 2: Convert to fraction form
    37,411.20/51,625.85 = 20,415.02/x
  3. Step 3: Cross multiply
    37,411.20x = 51,625.85 × 20,415.02
  4. Step 4: Simplify right side
    37,411.20x = 1,053,942,400.06
  5. Step 5: Solve for x
    x = 1,053,942,400.06/37,411.20
  6. Step 6: Final answer
    x = 28,171.84

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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.