Home / 52,829.18-79,225.46-21,229.88

Finding the Fourth Proportional to 52,829.18, 79,225.46 and 21,229.88

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Solution

The fourth proportional to 52,829.18, 79,225.46 and 21,229.88 is: 31,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.18 : 79,225.46 = 21,229.88 : x
  2. Step 2: Convert to fraction form
    52,829.18/79,225.46 = 21,229.88/x
  3. Step 3: Cross multiply
    52,829.18x = 79,225.46 × 21,229.88
  4. Step 4: Simplify right side
    52,829.18x = 1,681,947,008.74
  5. Step 5: Solve for x
    x = 1,681,947,008.74/52,829.18
  6. Step 6: Final answer
    x = 31,837.46

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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.