Home / 51,667.72-77,503.49-14,230.69

Finding the Fourth Proportional to 51,667.72, 77,503.49 and 14,230.69

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Solution

The fourth proportional to 51,667.72, 77,503.49 and 14,230.69 is: 21,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,667.72 : 77,503.49 = 14,230.69 : x
  2. Step 2: Convert to fraction form
    51,667.72/77,503.49 = 14,230.69/x
  3. Step 3: Cross multiply
    51,667.72x = 77,503.49 × 14,230.69
  4. Step 4: Simplify right side
    51,667.72x = 1,102,928,140.11
  5. Step 5: Solve for x
    x = 1,102,928,140.11/51,667.72
  6. Step 6: Final answer
    x = 21,346.56

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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.