Home / 55,266.88-76,265.58-31,390.42

Finding the Fourth Proportional to 55,266.88, 76,265.58 and 31,390.42

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Solution

The fourth proportional to 55,266.88, 76,265.58 and 31,390.42 is: 43,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,266.88 : 76,265.58 = 31,390.42 : x
  2. Step 2: Convert to fraction form
    55,266.88/76,265.58 = 31,390.42/x
  3. Step 3: Cross multiply
    55,266.88x = 76,265.58 × 31,390.42
  4. Step 4: Simplify right side
    55,266.88x = 2,394,008,587.74
  5. Step 5: Solve for x
    x = 2,394,008,587.74/55,266.88
  6. Step 6: Final answer
    x = 43,317.24

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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.