Home / 39,081.22-53,932.89-22,315.30

Finding the Fourth Proportional to 39,081.22, 53,932.89 and 22,315.30

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Solution

The fourth proportional to 39,081.22, 53,932.89 and 22,315.30 is: 30,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.22 : 53,932.89 = 22,315.30 : x
  2. Step 2: Convert to fraction form
    39,081.22/53,932.89 = 22,315.30/x
  3. Step 3: Cross multiply
    39,081.22x = 53,932.89 × 22,315.30
  4. Step 4: Simplify right side
    39,081.22x = 1,203,528,620.22
  5. Step 5: Solve for x
    x = 1,203,528,620.22/39,081.22
  6. Step 6: Final answer
    x = 30,795.57

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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.