Home / 36,266.40-54,399.60-12,895.20

Finding the Fourth Proportional to 36,266.40, 54,399.60 and 12,895.20

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Solution

The fourth proportional to 36,266.40, 54,399.60 and 12,895.20 is: 19,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,266.40 : 54,399.60 = 12,895.20 : x
  2. Step 2: Convert to fraction form
    36,266.40/54,399.60 = 12,895.20/x
  3. Step 3: Cross multiply
    36,266.40x = 54,399.60 × 12,895.20
  4. Step 4: Simplify right side
    36,266.40x = 701,493,721.92
  5. Step 5: Solve for x
    x = 701,493,721.92/36,266.40
  6. Step 6: Final answer
    x = 19,342.80

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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.