Home / 50,507.80-75,770.20-15,439.26

Finding the Fourth Proportional to 50,507.80, 75,770.20 and 15,439.26

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Solution

The fourth proportional to 50,507.80, 75,770.20 and 15,439.26 is: 23,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,507.80 : 75,770.20 = 15,439.26 : x
  2. Step 2: Convert to fraction form
    50,507.80/75,770.20 = 15,439.26/x
  3. Step 3: Cross multiply
    50,507.80x = 75,770.20 × 15,439.26
  4. Step 4: Simplify right side
    50,507.80x = 1,169,835,818.05
  5. Step 5: Solve for x
    x = 1,169,835,818.05/50,507.80
  6. Step 6: Final answer
    x = 23,161.49

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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.