Home / 55,276.52-76,281.85-31,404.51

Finding the Fourth Proportional to 55,276.52, 76,281.85 and 31,404.51

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Solution

The fourth proportional to 55,276.52, 76,281.85 and 31,404.51 is: 43,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.52 : 76,281.85 = 31,404.51 : x
  2. Step 2: Convert to fraction form
    55,276.52/76,281.85 = 31,404.51/x
  3. Step 3: Cross multiply
    55,276.52x = 76,281.85 × 31,404.51
  4. Step 4: Simplify right side
    55,276.52x = 2,395,594,121.14
  5. Step 5: Solve for x
    x = 2,395,594,121.14/55,276.52
  6. Step 6: Final answer
    x = 43,338.37

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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.