Home / 36,270.12-54,392.82-12,572.13

Finding the Fourth Proportional to 36,270.12, 54,392.82 and 12,572.13

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Solution

The fourth proportional to 36,270.12, 54,392.82 and 12,572.13 is: 18,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.12 : 54,392.82 = 12,572.13 : x
  2. Step 2: Convert to fraction form
    36,270.12/54,392.82 = 12,572.13/x
  3. Step 3: Cross multiply
    36,270.12x = 54,392.82 × 12,572.13
  4. Step 4: Simplify right side
    36,270.12x = 683,833,604.11
  5. Step 5: Solve for x
    x = 683,833,604.11/36,270.12
  6. Step 6: Final answer
    x = 18,853.91

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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.