Home / 36,270.48-54,372.93-12,891.45

Finding the Fourth Proportional to 36,270.48, 54,372.93 and 12,891.45

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Solution

The fourth proportional to 36,270.48, 54,372.93 and 12,891.45 is: 19,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.48 : 54,372.93 = 12,891.45 : x
  2. Step 2: Convert to fraction form
    36,270.48/54,372.93 = 12,891.45/x
  3. Step 3: Cross multiply
    36,270.48x = 54,372.93 × 12,891.45
  4. Step 4: Simplify right side
    36,270.48x = 700,945,908.45
  5. Step 5: Solve for x
    x = 700,945,908.45/36,270.48
  6. Step 6: Final answer
    x = 19,325.52

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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.