Home / 39,140.24-54,012.85-23,821.24

Finding the Fourth Proportional to 39,140.24, 54,012.85 and 23,821.24

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Solution

The fourth proportional to 39,140.24, 54,012.85 and 23,821.24 is: 32,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.24 : 54,012.85 = 23,821.24 : x
  2. Step 2: Convert to fraction form
    39,140.24/54,012.85 = 23,821.24/x
  3. Step 3: Cross multiply
    39,140.24x = 54,012.85 × 23,821.24
  4. Step 4: Simplify right side
    39,140.24x = 1,286,653,036.62
  5. Step 5: Solve for x
    x = 1,286,653,036.62/39,140.24
  6. Step 6: Final answer
    x = 32,872.90

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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.