Home / 35,927.20-53,890.80-20,375.20

Finding the Fourth Proportional to 35,927.20, 53,890.80 and 20,375.20

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Solution

The fourth proportional to 35,927.20, 53,890.80 and 20,375.20 is: 30,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,927.20 : 53,890.80 = 20,375.20 : x
  2. Step 2: Convert to fraction form
    35,927.20/53,890.80 = 20,375.20/x
  3. Step 3: Cross multiply
    35,927.20x = 53,890.80 × 20,375.20
  4. Step 4: Simplify right side
    35,927.20x = 1,098,035,828.16
  5. Step 5: Solve for x
    x = 1,098,035,828.16/35,927.20
  6. Step 6: Final answer
    x = 30,562.80

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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.