Home / 49,505.60-68,322.56-28,286.56

Finding the Fourth Proportional to 49,505.60, 68,322.56 and 28,286.56

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Solution

The fourth proportional to 49,505.60, 68,322.56 and 28,286.56 is: 39,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,505.60 : 68,322.56 = 28,286.56 : x
  2. Step 2: Convert to fraction form
    49,505.60/68,322.56 = 28,286.56/x
  3. Step 3: Cross multiply
    49,505.60x = 68,322.56 × 28,286.56
  4. Step 4: Simplify right side
    49,505.60x = 1,932,610,192.79
  5. Step 5: Solve for x
    x = 1,932,610,192.79/49,505.60
  6. Step 6: Final answer
    x = 39,038.21

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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.