Home / 50,901.85-70,245.12-28,241.38

Finding the Fourth Proportional to 50,901.85, 70,245.12 and 28,241.38

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Solution

The fourth proportional to 50,901.85, 70,245.12 and 28,241.38 is: 38,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.85 : 70,245.12 = 28,241.38 : x
  2. Step 2: Convert to fraction form
    50,901.85/70,245.12 = 28,241.38/x
  3. Step 3: Cross multiply
    50,901.85x = 70,245.12 × 28,241.38
  4. Step 4: Simplify right side
    50,901.85x = 1,983,819,127.07
  5. Step 5: Solve for x
    x = 1,983,819,127.07/50,901.85
  6. Step 6: Final answer
    x = 38,973.42

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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.