Home / 36,124.08-54,171-12,739.92

Finding the Fourth Proportional to 36,124.08, 54,171 and 12,739.92

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Solution

The fourth proportional to 36,124.08, 54,171 and 12,739.92 is: 19,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.08 : 54,171 = 12,739.92 : x
  2. Step 2: Convert to fraction form
    36,124.08/54,171 = 12,739.92/x
  3. Step 3: Cross multiply
    36,124.08x = 54,171 × 12,739.92
  4. Step 4: Simplify right side
    36,124.08x = 690,134,206.32
  5. Step 5: Solve for x
    x = 690,134,206.32/36,124.08
  6. Step 6: Final answer
    x = 19,104.55

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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.