Home / 51,296.40-77,002.20-39,661.20

Finding the Fourth Proportional to 51,296.40, 77,002.20 and 39,661.20

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Solution

The fourth proportional to 51,296.40, 77,002.20 and 39,661.20 is: 59,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.40 : 77,002.20 = 39,661.20 : x
  2. Step 2: Convert to fraction form
    51,296.40/77,002.20 = 39,661.20/x
  3. Step 3: Cross multiply
    51,296.40x = 77,002.20 × 39,661.20
  4. Step 4: Simplify right side
    51,296.40x = 3,053,999,654.64
  5. Step 5: Solve for x
    x = 3,053,999,654.64/51,296.40
  6. Step 6: Final answer
    x = 59,536.33

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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.