Home / 36,108.79-54,143.34-11,142.03

Finding the Fourth Proportional to 36,108.79, 54,143.34 and 11,142.03

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Solution

The fourth proportional to 36,108.79, 54,143.34 and 11,142.03 is: 16,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.79 : 54,143.34 = 11,142.03 : x
  2. Step 2: Convert to fraction form
    36,108.79/54,143.34 = 11,142.03/x
  3. Step 3: Cross multiply
    36,108.79x = 54,143.34 × 11,142.03
  4. Step 4: Simplify right side
    36,108.79x = 603,266,718.58
  5. Step 5: Solve for x
    x = 603,266,718.58/36,108.79
  6. Step 6: Final answer
    x = 16,706.92

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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.