Home / 51,565.73-71,163.98-28,904.72

Finding the Fourth Proportional to 51,565.73, 71,163.98 and 28,904.72

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Solution

The fourth proportional to 51,565.73, 71,163.98 and 28,904.72 is: 39,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.73 : 71,163.98 = 28,904.72 : x
  2. Step 2: Convert to fraction form
    51,565.73/71,163.98 = 28,904.72/x
  3. Step 3: Cross multiply
    51,565.73x = 71,163.98 × 28,904.72
  4. Step 4: Simplify right side
    51,565.73x = 2,056,975,166.16
  5. Step 5: Solve for x
    x = 2,056,975,166.16/51,565.73
  6. Step 6: Final answer
    x = 39,890.36

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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.