Home / 63,578-87,739.56-35,286.32

Finding the Fourth Proportional to 63,578, 87,739.56 and 35,286.32

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Solution

The fourth proportional to 63,578, 87,739.56 and 35,286.32 is: 48,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578 : 87,739.56 = 35,286.32 : x
  2. Step 2: Convert to fraction form
    63,578/87,739.56 = 35,286.32/x
  3. Step 3: Cross multiply
    63,578x = 87,739.56 × 35,286.32
  4. Step 4: Simplify right side
    63,578x = 3,096,006,190.82
  5. Step 5: Solve for x
    x = 3,096,006,190.82/63,578
  6. Step 6: Final answer
    x = 48,696.19

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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.