Home / 55,339.39-76,374.91-31,469.65

Finding the Fourth Proportional to 55,339.39, 76,374.91 and 31,469.65

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Solution

The fourth proportional to 55,339.39, 76,374.91 and 31,469.65 is: 43,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.39 : 76,374.91 = 31,469.65 : x
  2. Step 2: Convert to fraction form
    55,339.39/76,374.91 = 31,469.65/x
  3. Step 3: Cross multiply
    55,339.39x = 76,374.91 × 31,469.65
  4. Step 4: Simplify right side
    55,339.39x = 2,403,491,686.48
  5. Step 5: Solve for x
    x = 2,403,491,686.48/55,339.39
  6. Step 6: Final answer
    x = 43,431.84

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1.5x scale

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.