Home / 55,344.08-76,371.72-31,476.56

Finding the Fourth Proportional to 55,344.08, 76,371.72 and 31,476.56

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Solution

The fourth proportional to 55,344.08, 76,371.72 and 31,476.56 is: 43,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.08 : 76,371.72 = 31,476.56 : x
  2. Step 2: Convert to fraction form
    55,344.08/76,371.72 = 31,476.56/x
  3. Step 3: Cross multiply
    55,344.08x = 76,371.72 × 31,476.56
  4. Step 4: Simplify right side
    55,344.08x = 2,403,919,026.88
  5. Step 5: Solve for x
    x = 2,403,919,026.88/55,344.08
  6. Step 6: Final answer
    x = 43,435.88

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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.