Home / 50,642.55-69,886.44-27,981.55

Finding the Fourth Proportional to 50,642.55, 69,886.44 and 27,981.55

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Solution

The fourth proportional to 50,642.55, 69,886.44 and 27,981.55 is: 38,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.55 : 69,886.44 = 27,981.55 : x
  2. Step 2: Convert to fraction form
    50,642.55/69,886.44 = 27,981.55/x
  3. Step 3: Cross multiply
    50,642.55x = 69,886.44 × 27,981.55
  4. Step 4: Simplify right side
    50,642.55x = 1,955,530,775.27
  5. Step 5: Solve for x
    x = 1,955,530,775.27/50,642.55
  6. Step 6: Final answer
    x = 38,614.38

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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.