Home / 36,271.92-54,418.41-12,900.18

Finding the Fourth Proportional to 36,271.92, 54,418.41 and 12,900.18

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Solution

The fourth proportional to 36,271.92, 54,418.41 and 12,900.18 is: 19,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,271.92 : 54,418.41 = 12,900.18 : x
  2. Step 2: Convert to fraction form
    36,271.92/54,418.41 = 12,900.18/x
  3. Step 3: Cross multiply
    36,271.92x = 54,418.41 × 12,900.18
  4. Step 4: Simplify right side
    36,271.92x = 702,007,284.31
  5. Step 5: Solve for x
    x = 702,007,284.31/36,271.92
  6. Step 6: Final answer
    x = 19,354.02

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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.