Home / 40,667.10-61,000.65-34,251.90

Finding the Fourth Proportional to 40,667.10, 61,000.65 and 34,251.90

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Solution

The fourth proportional to 40,667.10, 61,000.65 and 34,251.90 is: 51,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,667.10 : 61,000.65 = 34,251.90 : x
  2. Step 2: Convert to fraction form
    40,667.10/61,000.65 = 34,251.90/x
  3. Step 3: Cross multiply
    40,667.10x = 61,000.65 × 34,251.90
  4. Step 4: Simplify right side
    40,667.10x = 2,089,388,163.74
  5. Step 5: Solve for x
    x = 2,089,388,163.74/40,667.10
  6. Step 6: Final answer
    x = 51,377.85

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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.