Home / 39,309.12-58,972.80-11,229.54

Finding the Fourth Proportional to 39,309.12, 58,972.80 and 11,229.54

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Solution

The fourth proportional to 39,309.12, 58,972.80 and 11,229.54 is: 16,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.12 : 58,972.80 = 11,229.54 : x
  2. Step 2: Convert to fraction form
    39,309.12/58,972.80 = 11,229.54/x
  3. Step 3: Cross multiply
    39,309.12x = 58,972.80 × 11,229.54
  4. Step 4: Simplify right side
    39,309.12x = 662,237,416.51
  5. Step 5: Solve for x
    x = 662,237,416.51/39,309.12
  6. Step 6: Final answer
    x = 16,846.92

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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.