Home / 51,062.40-76,651.20-39,427.20

Finding the Fourth Proportional to 51,062.40, 76,651.20 and 39,427.20

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Solution

The fourth proportional to 51,062.40, 76,651.20 and 39,427.20 is: 59,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,062.40 : 76,651.20 = 39,427.20 : x
  2. Step 2: Convert to fraction form
    51,062.40/76,651.20 = 39,427.20/x
  3. Step 3: Cross multiply
    51,062.40x = 76,651.20 × 39,427.20
  4. Step 4: Simplify right side
    51,062.40x = 3,022,142,192.64
  5. Step 5: Solve for x
    x = 3,022,142,192.64/51,062.40
  6. Step 6: Final answer
    x = 59,185.28

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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.