Home / 55,449.49-76,521.03-31,576.26

Finding the Fourth Proportional to 55,449.49, 76,521.03 and 31,576.26

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Solution

The fourth proportional to 55,449.49, 76,521.03 and 31,576.26 is: 43,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.49 : 76,521.03 = 31,576.26 : x
  2. Step 2: Convert to fraction form
    55,449.49/76,521.03 = 31,576.26/x
  3. Step 3: Cross multiply
    55,449.49x = 76,521.03 × 31,576.26
  4. Step 4: Simplify right side
    55,449.49x = 2,416,247,938.75
  5. Step 5: Solve for x
    x = 2,416,247,938.75/55,449.49
  6. Step 6: Final answer
    x = 43,575.66

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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.