Home / 55,241.26-76,233.45-31,368.47

Finding the Fourth Proportional to 55,241.26, 76,233.45 and 31,368.47

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Solution

The fourth proportional to 55,241.26, 76,233.45 and 31,368.47 is: 43,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.26 : 76,233.45 = 31,368.47 : x
  2. Step 2: Convert to fraction form
    55,241.26/76,233.45 = 31,368.47/x
  3. Step 3: Cross multiply
    55,241.26x = 76,233.45 × 31,368.47
  4. Step 4: Simplify right side
    55,241.26x = 2,391,326,425.79
  5. Step 5: Solve for x
    x = 2,391,326,425.79/55,241.26
  6. Step 6: Final answer
    x = 43,288.78

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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.