Home / 50,331-69,461.10-27,979.32

Finding the Fourth Proportional to 50,331, 69,461.10 and 27,979.32

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Solution

The fourth proportional to 50,331, 69,461.10 and 27,979.32 is: 38,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331 : 69,461.10 = 27,979.32 : x
  2. Step 2: Convert to fraction form
    50,331/69,461.10 = 27,979.32/x
  3. Step 3: Cross multiply
    50,331x = 69,461.10 × 27,979.32
  4. Step 4: Simplify right side
    50,331x = 1,943,474,344.45
  5. Step 5: Solve for x
    x = 1,943,474,344.45/50,331
  6. Step 6: Final answer
    x = 38,613.86

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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.