Home / 39,286.50-58,931.58-11,208.48

Finding the Fourth Proportional to 39,286.50, 58,931.58 and 11,208.48

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Solution

The fourth proportional to 39,286.50, 58,931.58 and 11,208.48 is: 16,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,286.50 : 58,931.58 = 11,208.48 : x
  2. Step 2: Convert to fraction form
    39,286.50/58,931.58 = 11,208.48/x
  3. Step 3: Cross multiply
    39,286.50x = 58,931.58 × 11,208.48
  4. Step 4: Simplify right side
    39,286.50x = 660,533,435.80
  5. Step 5: Solve for x
    x = 660,533,435.80/39,286.50
  6. Step 6: Final answer
    x = 16,813.24

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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.