Home / 39,357.56-54,311.84-21,452.18

Finding the Fourth Proportional to 39,357.56, 54,311.84 and 21,452.18

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Solution

The fourth proportional to 39,357.56, 54,311.84 and 21,452.18 is: 29,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.56 : 54,311.84 = 21,452.18 : x
  2. Step 2: Convert to fraction form
    39,357.56/54,311.84 = 21,452.18/x
  3. Step 3: Cross multiply
    39,357.56x = 54,311.84 × 21,452.18
  4. Step 4: Simplify right side
    39,357.56x = 1,165,107,260.55
  5. Step 5: Solve for x
    x = 1,165,107,260.55/39,357.56
  6. Step 6: Final answer
    x = 29,603.14

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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.