Home / 51,239.10-70,706.62-28,267.54

Finding the Fourth Proportional to 51,239.10, 70,706.62 and 28,267.54

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Solution

The fourth proportional to 51,239.10, 70,706.62 and 28,267.54 is: 39,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.10 : 70,706.62 = 28,267.54 : x
  2. Step 2: Convert to fraction form
    51,239.10/70,706.62 = 28,267.54/x
  3. Step 3: Cross multiply
    51,239.10x = 70,706.62 × 28,267.54
  4. Step 4: Simplify right side
    51,239.10x = 1,998,702,209.11
  5. Step 5: Solve for x
    x = 1,998,702,209.11/51,239.10
  6. Step 6: Final answer
    x = 39,007.36

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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.