Home / 50,858.38-70,185.08-28,197.72

Finding the Fourth Proportional to 50,858.38, 70,185.08 and 28,197.72

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Solution

The fourth proportional to 50,858.38, 70,185.08 and 28,197.72 is: 38,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,858.38 : 70,185.08 = 28,197.72 : x
  2. Step 2: Convert to fraction form
    50,858.38/70,185.08 = 28,197.72/x
  3. Step 3: Cross multiply
    50,858.38x = 70,185.08 × 28,197.72
  4. Step 4: Simplify right side
    50,858.38x = 1,979,059,304.51
  5. Step 5: Solve for x
    x = 1,979,059,304.51/50,858.38
  6. Step 6: Final answer
    x = 38,913.14

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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.