Home / 50,681.55-69,934.39-28,017.43

Finding the Fourth Proportional to 50,681.55, 69,934.39 and 28,017.43

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Solution

The fourth proportional to 50,681.55, 69,934.39 and 28,017.43 is: 38,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.55 : 69,934.39 = 28,017.43 : x
  2. Step 2: Convert to fraction form
    50,681.55/69,934.39 = 28,017.43/x
  3. Step 3: Cross multiply
    50,681.55x = 69,934.39 × 28,017.43
  4. Step 4: Simplify right side
    50,681.55x = 1,959,381,876.42
  5. Step 5: Solve for x
    x = 1,959,381,876.42/50,681.55
  6. Step 6: Final answer
    x = 38,660.65

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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.