Home / 36,779.40-55,119.06-19,212.84

Finding the Fourth Proportional to 36,779.40, 55,119.06 and 19,212.84

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Solution

The fourth proportional to 36,779.40, 55,119.06 and 19,212.84 is: 28,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.40 : 55,119.06 = 19,212.84 : x
  2. Step 2: Convert to fraction form
    36,779.40/55,119.06 = 19,212.84/x
  3. Step 3: Cross multiply
    36,779.40x = 55,119.06 × 19,212.84
  4. Step 4: Simplify right side
    36,779.40x = 1,058,993,680.73
  5. Step 5: Solve for x
    x = 1,058,993,680.73/36,779.40
  6. Step 6: Final answer
    x = 28,793.12

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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.