Home / 38,851.20-58,276.80-36,664.20

Finding the Fourth Proportional to 38,851.20, 58,276.80 and 36,664.20

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Solution

The fourth proportional to 38,851.20, 58,276.80 and 36,664.20 is: 54,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.20 : 58,276.80 = 36,664.20 : x
  2. Step 2: Convert to fraction form
    38,851.20/58,276.80 = 36,664.20/x
  3. Step 3: Cross multiply
    38,851.20x = 58,276.80 × 36,664.20
  4. Step 4: Simplify right side
    38,851.20x = 2,136,672,250.56
  5. Step 5: Solve for x
    x = 2,136,672,250.56/38,851.20
  6. Step 6: Final answer
    x = 54,996.30

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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.