Home / 52,289.82-78,438.78-31,372.38

Finding the Fourth Proportional to 52,289.82, 78,438.78 and 31,372.38

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Solution

The fourth proportional to 52,289.82, 78,438.78 and 31,372.38 is: 47,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.82 : 78,438.78 = 31,372.38 : x
  2. Step 2: Convert to fraction form
    52,289.82/78,438.78 = 31,372.38/x
  3. Step 3: Cross multiply
    52,289.82x = 78,438.78 × 31,372.38
  4. Step 4: Simplify right side
    52,289.82x = 2,460,811,212.90
  5. Step 5: Solve for x
    x = 2,460,811,212.90/52,289.82
  6. Step 6: Final answer
    x = 47,061.00

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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.