Home / 50,935.16-70,287-28,272.36

Finding the Fourth Proportional to 50,935.16, 70,287 and 28,272.36

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Solution

The fourth proportional to 50,935.16, 70,287 and 28,272.36 is: 39,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,935.16 : 70,287 = 28,272.36 : x
  2. Step 2: Convert to fraction form
    50,935.16/70,287 = 28,272.36/x
  3. Step 3: Cross multiply
    50,935.16x = 70,287 × 28,272.36
  4. Step 4: Simplify right side
    50,935.16x = 1,987,179,367.32
  5. Step 5: Solve for x
    x = 1,987,179,367.32/50,935.16
  6. Step 6: Final answer
    x = 39,013.90

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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.