Home / 50,902.72-70,243.39-28,241.47

Finding the Fourth Proportional to 50,902.72, 70,243.39 and 28,241.47

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Solution

The fourth proportional to 50,902.72, 70,243.39 and 28,241.47 is: 38,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,902.72 : 70,243.39 = 28,241.47 : x
  2. Step 2: Convert to fraction form
    50,902.72/70,243.39 = 28,241.47/x
  3. Step 3: Cross multiply
    50,902.72x = 70,243.39 × 28,241.47
  4. Step 4: Simplify right side
    50,902.72x = 1,983,776,591.38
  5. Step 5: Solve for x
    x = 1,983,776,591.38/50,902.72
  6. Step 6: Final answer
    x = 38,971.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.