Home / 50,716.28-69,988.06-28,360.28

Finding the Fourth Proportional to 50,716.28, 69,988.06 and 28,360.28

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Solution

The fourth proportional to 50,716.28, 69,988.06 and 28,360.28 is: 39,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.28 : 69,988.06 = 28,360.28 : x
  2. Step 2: Convert to fraction form
    50,716.28/69,988.06 = 28,360.28/x
  3. Step 3: Cross multiply
    50,716.28x = 69,988.06 × 28,360.28
  4. Step 4: Simplify right side
    50,716.28x = 1,984,880,978.26
  5. Step 5: Solve for x
    x = 1,984,880,978.26/50,716.28
  6. Step 6: Final answer
    x = 39,136.96

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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.