Home / 52,669.62-78,878.34-38,399.76

Finding the Fourth Proportional to 52,669.62, 78,878.34 and 38,399.76

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Solution

The fourth proportional to 52,669.62, 78,878.34 and 38,399.76 is: 57,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.62 : 78,878.34 = 38,399.76 : x
  2. Step 2: Convert to fraction form
    52,669.62/78,878.34 = 38,399.76/x
  3. Step 3: Cross multiply
    52,669.62x = 78,878.34 × 38,399.76
  4. Step 4: Simplify right side
    52,669.62x = 3,028,909,325.20
  5. Step 5: Solve for x
    x = 3,028,909,325.20/52,669.62
  6. Step 6: Final answer
    x = 57,507.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.