Home / 51,670.20-77,505.30-22,121.40

Finding the Fourth Proportional to 51,670.20, 77,505.30 and 22,121.40

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Solution

The fourth proportional to 51,670.20, 77,505.30 and 22,121.40 is: 33,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,670.20 : 77,505.30 = 22,121.40 : x
  2. Step 2: Convert to fraction form
    51,670.20/77,505.30 = 22,121.40/x
  3. Step 3: Cross multiply
    51,670.20x = 77,505.30 × 22,121.40
  4. Step 4: Simplify right side
    51,670.20x = 1,714,525,743.42
  5. Step 5: Solve for x
    x = 1,714,525,743.42/51,670.20
  6. Step 6: Final answer
    x = 33,182.10

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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.