Home / 55,283.93-76,291.85-31,410.64

Finding the Fourth Proportional to 55,283.93, 76,291.85 and 31,410.64

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Solution

The fourth proportional to 55,283.93, 76,291.85 and 31,410.64 is: 43,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.93 : 76,291.85 = 31,410.64 : x
  2. Step 2: Convert to fraction form
    55,283.93/76,291.85 = 31,410.64/x
  3. Step 3: Cross multiply
    55,283.93x = 76,291.85 × 31,410.64
  4. Step 4: Simplify right side
    55,283.93x = 2,396,375,605.29
  5. Step 5: Solve for x
    x = 2,396,375,605.29/55,283.93
  6. Step 6: Final answer
    x = 43,346.69

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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.