Home / 50,935.66-70,287.69-28,272.87

Finding the Fourth Proportional to 50,935.66, 70,287.69 and 28,272.87

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Solution

The fourth proportional to 50,935.66, 70,287.69 and 28,272.87 is: 39,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,935.66 : 70,287.69 = 28,272.87 : x
  2. Step 2: Convert to fraction form
    50,935.66/70,287.69 = 28,272.87/x
  3. Step 3: Cross multiply
    50,935.66x = 70,287.69 × 28,272.87
  4. Step 4: Simplify right side
    50,935.66x = 1,987,234,229.17
  5. Step 5: Solve for x
    x = 1,987,234,229.17/50,935.66
  6. Step 6: Final answer
    x = 39,014.60

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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.