Home / 50,686.29-69,952.95-30,553.47

Finding the Fourth Proportional to 50,686.29, 69,952.95 and 30,553.47

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Solution

The fourth proportional to 50,686.29, 69,952.95 and 30,553.47 is: 42,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,686.29 : 69,952.95 = 30,553.47 : x
  2. Step 2: Convert to fraction form
    50,686.29/69,952.95 = 30,553.47/x
  3. Step 3: Cross multiply
    50,686.29x = 69,952.95 × 30,553.47
  4. Step 4: Simplify right side
    50,686.29x = 2,137,305,359.24
  5. Step 5: Solve for x
    x = 2,137,305,359.24/50,686.29
  6. Step 6: Final answer
    x = 42,167.33

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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.