Home / 51,788.20-77,643.90-22,181.80

Finding the Fourth Proportional to 51,788.20, 77,643.90 and 22,181.80

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Solution

The fourth proportional to 51,788.20, 77,643.90 and 22,181.80 is: 33,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.20 : 77,643.90 = 22,181.80 : x
  2. Step 2: Convert to fraction form
    51,788.20/77,643.90 = 22,181.80/x
  3. Step 3: Cross multiply
    51,788.20x = 77,643.90 × 22,181.80
  4. Step 4: Simplify right side
    51,788.20x = 1,722,281,461.02
  5. Step 5: Solve for x
    x = 1,722,281,461.02/51,788.20
  6. Step 6: Final answer
    x = 33,256.25

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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.