Home / 50,970.28-70,338.99-28,614.28

Finding the Fourth Proportional to 50,970.28, 70,338.99 and 28,614.28

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Solution

The fourth proportional to 50,970.28, 70,338.99 and 28,614.28 is: 39,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,970.28 : 70,338.99 = 28,614.28 : x
  2. Step 2: Convert to fraction form
    50,970.28/70,338.99 = 28,614.28/x
  3. Step 3: Cross multiply
    50,970.28x = 70,338.99 × 28,614.28
  4. Step 4: Simplify right side
    50,970.28x = 2,012,699,589.05
  5. Step 5: Solve for x
    x = 2,012,699,589.05/50,970.28
  6. Step 6: Final answer
    x = 39,487.71

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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.