Home / 52,495.89-78,776.49-21,331.14

Finding the Fourth Proportional to 52,495.89, 78,776.49 and 21,331.14

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Solution

The fourth proportional to 52,495.89, 78,776.49 and 21,331.14 is: 32,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,495.89 : 78,776.49 = 21,331.14 : x
  2. Step 2: Convert to fraction form
    52,495.89/78,776.49 = 21,331.14/x
  3. Step 3: Cross multiply
    52,495.89x = 78,776.49 × 21,331.14
  4. Step 4: Simplify right side
    52,495.89x = 1,680,392,336.90
  5. Step 5: Solve for x
    x = 1,680,392,336.90/52,495.89
  6. Step 6: Final answer
    x = 32,009.98

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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.