Home / 39,357.49-54,311.76-21,452.12

Finding the Fourth Proportional to 39,357.49, 54,311.76 and 21,452.12

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Solution

The fourth proportional to 39,357.49, 54,311.76 and 21,452.12 is: 29,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.49 : 54,311.76 = 21,452.12 : x
  2. Step 2: Convert to fraction form
    39,357.49/54,311.76 = 21,452.12/x
  3. Step 3: Cross multiply
    39,357.49x = 54,311.76 × 21,452.12
  4. Step 4: Simplify right side
    39,357.49x = 1,165,102,392.93
  5. Step 5: Solve for x
    x = 1,165,102,392.93/39,357.49
  6. Step 6: Final answer
    x = 29,603.07

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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.