Home / 63,664.05-87,858.06-38,174.58

Finding the Fourth Proportional to 63,664.05, 87,858.06 and 38,174.58

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Solution

The fourth proportional to 63,664.05, 87,858.06 and 38,174.58 is: 52,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664.05 : 87,858.06 = 38,174.58 : x
  2. Step 2: Convert to fraction form
    63,664.05/87,858.06 = 38,174.58/x
  3. Step 3: Cross multiply
    63,664.05x = 87,858.06 × 38,174.58
  4. Step 4: Simplify right side
    63,664.05x = 3,353,944,540.11
  5. Step 5: Solve for x
    x = 3,353,944,540.11/63,664.05
  6. Step 6: Final answer
    x = 52,681.92

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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.