Home / 50,412.89-75,619.35-20,798.19

Finding the Fourth Proportional to 50,412.89, 75,619.35 and 20,798.19

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Solution

The fourth proportional to 50,412.89, 75,619.35 and 20,798.19 is: 31,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,412.89 : 75,619.35 = 20,798.19 : x
  2. Step 2: Convert to fraction form
    50,412.89/75,619.35 = 20,798.19/x
  3. Step 3: Cross multiply
    50,412.89x = 75,619.35 × 20,798.19
  4. Step 4: Simplify right side
    50,412.89x = 1,572,745,608.98
  5. Step 5: Solve for x
    x = 1,572,745,608.98/50,412.89
  6. Step 6: Final answer
    x = 31,197.29

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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.