Home / 36,095.12-54,143.39-12,402.42

Finding the Fourth Proportional to 36,095.12, 54,143.39 and 12,402.42

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Solution

The fourth proportional to 36,095.12, 54,143.39 and 12,402.42 is: 18,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,095.12 : 54,143.39 = 12,402.42 : x
  2. Step 2: Convert to fraction form
    36,095.12/54,143.39 = 12,402.42/x
  3. Step 3: Cross multiply
    36,095.12x = 54,143.39 × 12,402.42
  4. Step 4: Simplify right side
    36,095.12x = 671,508,821.21
  5. Step 5: Solve for x
    x = 671,508,821.21/36,095.12
  6. Step 6: Final answer
    x = 18,603.87

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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.