Home / 50,711.52-69,980.56-28,051.44

Finding the Fourth Proportional to 50,711.52, 69,980.56 and 28,051.44

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Solution

The fourth proportional to 50,711.52, 69,980.56 and 28,051.44 is: 38,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,711.52 : 69,980.56 = 28,051.44 : x
  2. Step 2: Convert to fraction form
    50,711.52/69,980.56 = 28,051.44/x
  3. Step 3: Cross multiply
    50,711.52x = 69,980.56 × 28,051.44
  4. Step 4: Simplify right side
    50,711.52x = 1,963,055,480.01
  5. Step 5: Solve for x
    x = 1,963,055,480.01/50,711.52
  6. Step 6: Final answer
    x = 38,710.25

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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.