Home / 39,135.78-58,658.67-16,926.84

Finding the Fourth Proportional to 39,135.78, 58,658.67 and 16,926.84

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Solution

The fourth proportional to 39,135.78, 58,658.67 and 16,926.84 is: 25,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.78 : 58,658.67 = 16,926.84 : x
  2. Step 2: Convert to fraction form
    39,135.78/58,658.67 = 16,926.84/x
  3. Step 3: Cross multiply
    39,135.78x = 58,658.67 × 16,926.84
  4. Step 4: Simplify right side
    39,135.78x = 992,905,921.70
  5. Step 5: Solve for x
    x = 992,905,921.70/39,135.78
  6. Step 6: Final answer
    x = 25,370.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.