Home / 36,070.92-54,107.12-12,378.35

Finding the Fourth Proportional to 36,070.92, 54,107.12 and 12,378.35

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Solution

The fourth proportional to 36,070.92, 54,107.12 and 12,378.35 is: 18,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.92 : 54,107.12 = 12,378.35 : x
  2. Step 2: Convert to fraction form
    36,070.92/54,107.12 = 12,378.35/x
  3. Step 3: Cross multiply
    36,070.92x = 54,107.12 × 12,378.35
  4. Step 4: Simplify right side
    36,070.92x = 669,757,035.07
  5. Step 5: Solve for x
    x = 669,757,035.07/36,070.92
  6. Step 6: Final answer
    x = 18,567.78

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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.