Home / 51,649.78-77,516.19-26,697.14

Finding the Fourth Proportional to 51,649.78, 77,516.19 and 26,697.14

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Solution

The fourth proportional to 51,649.78, 77,516.19 and 26,697.14 is: 40,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.78 : 77,516.19 = 26,697.14 : x
  2. Step 2: Convert to fraction form
    51,649.78/77,516.19 = 26,697.14/x
  3. Step 3: Cross multiply
    51,649.78x = 77,516.19 × 26,697.14
  4. Step 4: Simplify right side
    51,649.78x = 2,069,460,479.80
  5. Step 5: Solve for x
    x = 2,069,460,479.80/51,649.78
  6. Step 6: Final answer
    x = 40,067.17

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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.