Home / 50,972.24-70,341.12-28,311.44

Finding the Fourth Proportional to 50,972.24, 70,341.12 and 28,311.44

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Solution

The fourth proportional to 50,972.24, 70,341.12 and 28,311.44 is: 39,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.24 : 70,341.12 = 28,311.44 : x
  2. Step 2: Convert to fraction form
    50,972.24/70,341.12 = 28,311.44/x
  3. Step 3: Cross multiply
    50,972.24x = 70,341.12 × 28,311.44
  4. Step 4: Simplify right side
    50,972.24x = 1,991,458,398.41
  5. Step 5: Solve for x
    x = 1,991,458,398.41/50,972.24
  6. Step 6: Final answer
    x = 39,069.47

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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.