Home / 39,820.05-54,939.29-22,589.57

Finding the Fourth Proportional to 39,820.05, 54,939.29 and 22,589.57

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Solution

The fourth proportional to 39,820.05, 54,939.29 and 22,589.57 is: 31,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.05 : 54,939.29 = 22,589.57 : x
  2. Step 2: Convert to fraction form
    39,820.05/54,939.29 = 22,589.57/x
  3. Step 3: Cross multiply
    39,820.05x = 54,939.29 × 22,589.57
  4. Step 4: Simplify right side
    39,820.05x = 1,241,054,937.21
  5. Step 5: Solve for x
    x = 1,241,054,937.21/39,820.05
  6. Step 6: Final answer
    x = 31,166.58

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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.