Home / 55,276.35-76,281.65-31,404.36

Finding the Fourth Proportional to 55,276.35, 76,281.65 and 31,404.36

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Solution

The fourth proportional to 55,276.35, 76,281.65 and 31,404.36 is: 43,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.35 : 76,281.65 = 31,404.36 : x
  2. Step 2: Convert to fraction form
    55,276.35/76,281.65 = 31,404.36/x
  3. Step 3: Cross multiply
    55,276.35x = 76,281.65 × 31,404.36
  4. Step 4: Simplify right side
    55,276.35x = 2,395,576,397.99
  5. Step 5: Solve for x
    x = 2,395,576,397.99/55,276.35
  6. Step 6: Final answer
    x = 43,338.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.