Home / 40,806.50-61,078.52-21,058.16

Finding the Fourth Proportional to 40,806.50, 61,078.52 and 21,058.16

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Solution

The fourth proportional to 40,806.50, 61,078.52 and 21,058.16 is: 31,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,806.50 : 61,078.52 = 21,058.16 : x
  2. Step 2: Convert to fraction form
    40,806.50/61,078.52 = 21,058.16/x
  3. Step 3: Cross multiply
    40,806.50x = 61,078.52 × 21,058.16
  4. Step 4: Simplify right side
    40,806.50x = 1,286,200,993.98
  5. Step 5: Solve for x
    x = 1,286,200,993.98/40,806.50
  6. Step 6: Final answer
    x = 31,519.52

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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.