Home / 51,712.67-77,559.74-13,762.14

Finding the Fourth Proportional to 51,712.67, 77,559.74 and 13,762.14

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Solution

The fourth proportional to 51,712.67, 77,559.74 and 13,762.14 is: 20,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712.67 : 77,559.74 = 13,762.14 : x
  2. Step 2: Convert to fraction form
    51,712.67/77,559.74 = 13,762.14/x
  3. Step 3: Cross multiply
    51,712.67x = 77,559.74 × 13,762.14
  4. Step 4: Simplify right side
    51,712.67x = 1,067,388,000.24
  5. Step 5: Solve for x
    x = 1,067,388,000.24/51,712.67
  6. Step 6: Final answer
    x = 20,640.74

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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.