Home / 37,940.24-52,360.43-20,947.76

Finding the Fourth Proportional to 37,940.24, 52,360.43 and 20,947.76

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Solution

The fourth proportional to 37,940.24, 52,360.43 and 20,947.76 is: 28,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.24 : 52,360.43 = 20,947.76 : x
  2. Step 2: Convert to fraction form
    37,940.24/52,360.43 = 20,947.76/x
  3. Step 3: Cross multiply
    37,940.24x = 52,360.43 × 20,947.76
  4. Step 4: Simplify right side
    37,940.24x = 1,096,833,721.14
  5. Step 5: Solve for x
    x = 1,096,833,721.14/37,940.24
  6. Step 6: Final answer
    x = 28,909.51

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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.