Home / 45,284.11-62,451.10-28,289.90

Finding the Fourth Proportional to 45,284.11, 62,451.10 and 28,289.90

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Solution

The fourth proportional to 45,284.11, 62,451.10 and 28,289.90 is: 39,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.11 : 62,451.10 = 28,289.90 : x
  2. Step 2: Convert to fraction form
    45,284.11/62,451.10 = 28,289.90/x
  3. Step 3: Cross multiply
    45,284.11x = 62,451.10 × 28,289.90
  4. Step 4: Simplify right side
    45,284.11x = 1,766,735,373.89
  5. Step 5: Solve for x
    x = 1,766,735,373.89/45,284.11
  6. Step 6: Final answer
    x = 39,014.47

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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.