Home / 39,197.62-54,093.11-21,292.98

Finding the Fourth Proportional to 39,197.62, 54,093.11 and 21,292.98

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Solution

The fourth proportional to 39,197.62, 54,093.11 and 21,292.98 is: 29,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,197.62 : 54,093.11 = 21,292.98 : x
  2. Step 2: Convert to fraction form
    39,197.62/54,093.11 = 21,292.98/x
  3. Step 3: Cross multiply
    39,197.62x = 54,093.11 × 21,292.98
  4. Step 4: Simplify right side
    39,197.62x = 1,151,803,509.37
  5. Step 5: Solve for x
    x = 1,151,803,509.37/39,197.62
  6. Step 6: Final answer
    x = 29,384.53

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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.