Home / 39,251.42-58,877.80-11,172.20

Finding the Fourth Proportional to 39,251.42, 58,877.80 and 11,172.20

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Solution

The fourth proportional to 39,251.42, 58,877.80 and 11,172.20 is: 16,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.42 : 58,877.80 = 11,172.20 : x
  2. Step 2: Convert to fraction form
    39,251.42/58,877.80 = 11,172.20/x
  3. Step 3: Cross multiply
    39,251.42x = 58,877.80 × 11,172.20
  4. Step 4: Simplify right side
    39,251.42x = 657,794,297.68
  5. Step 5: Solve for x
    x = 657,794,297.68/39,251.42
  6. Step 6: Final answer
    x = 16,758.48

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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.