Home / 36,019.92-54,055.26-12,648.18

Finding the Fourth Proportional to 36,019.92, 54,055.26 and 12,648.18

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Solution

The fourth proportional to 36,019.92, 54,055.26 and 12,648.18 is: 18,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.92 : 54,055.26 = 12,648.18 : x
  2. Step 2: Convert to fraction form
    36,019.92/54,055.26 = 12,648.18/x
  3. Step 3: Cross multiply
    36,019.92x = 54,055.26 × 12,648.18
  4. Step 4: Simplify right side
    36,019.92x = 683,700,658.43
  5. Step 5: Solve for x
    x = 683,700,658.43/36,019.92
  6. Step 6: Final answer
    x = 18,981.18

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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.