Home / 39,912.95-55,080.26-22,008.59

Finding the Fourth Proportional to 39,912.95, 55,080.26 and 22,008.59

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Solution

The fourth proportional to 39,912.95, 55,080.26 and 22,008.59 is: 30,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.95 : 55,080.26 = 22,008.59 : x
  2. Step 2: Convert to fraction form
    39,912.95/55,080.26 = 22,008.59/x
  3. Step 3: Cross multiply
    39,912.95x = 55,080.26 × 22,008.59
  4. Step 4: Simplify right side
    39,912.95x = 1,212,238,749.39
  5. Step 5: Solve for x
    x = 1,212,238,749.39/39,912.95
  6. Step 6: Final answer
    x = 30,372.07

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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.