Home / 56,818.17-85,239.56-21,757.83

Finding the Fourth Proportional to 56,818.17, 85,239.56 and 21,757.83

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Solution

The fourth proportional to 56,818.17, 85,239.56 and 21,757.83 is: 32,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.17 : 85,239.56 = 21,757.83 : x
  2. Step 2: Convert to fraction form
    56,818.17/85,239.56 = 21,757.83/x
  3. Step 3: Cross multiply
    56,818.17x = 85,239.56 × 21,757.83
  4. Step 4: Simplify right side
    56,818.17x = 1,854,627,910.15
  5. Step 5: Solve for x
    x = 1,854,627,910.15/56,818.17
  6. Step 6: Final answer
    x = 32,641.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.