Home / 39,469.70-59,206.37-9,887.79

Finding the Fourth Proportional to 39,469.70, 59,206.37 and 9,887.79

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Solution

The fourth proportional to 39,469.70, 59,206.37 and 9,887.79 is: 14,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.70 : 59,206.37 = 9,887.79 : x
  2. Step 2: Convert to fraction form
    39,469.70/59,206.37 = 9,887.79/x
  3. Step 3: Cross multiply
    39,469.70x = 59,206.37 × 9,887.79
  4. Step 4: Simplify right side
    39,469.70x = 585,420,103.78
  5. Step 5: Solve for x
    x = 585,420,103.78/39,469.70
  6. Step 6: Final answer
    x = 14,832.14

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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.