Home / 39,649.56-54,708.12-26,912.60

Finding the Fourth Proportional to 39,649.56, 54,708.12 and 26,912.60

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Solution

The fourth proportional to 39,649.56, 54,708.12 and 26,912.60 is: 37,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.56 : 54,708.12 = 26,912.60 : x
  2. Step 2: Convert to fraction form
    39,649.56/54,708.12 = 26,912.60/x
  3. Step 3: Cross multiply
    39,649.56x = 54,708.12 × 26,912.60
  4. Step 4: Simplify right side
    39,649.56x = 1,472,337,750.31
  5. Step 5: Solve for x
    x = 1,472,337,750.31/39,649.56
  6. Step 6: Final answer
    x = 37,133.77

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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.