Home / 51,018.78-76,536.06-26,045.28

Finding the Fourth Proportional to 51,018.78, 76,536.06 and 26,045.28

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Solution

The fourth proportional to 51,018.78, 76,536.06 and 26,045.28 is: 39,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.78 : 76,536.06 = 26,045.28 : x
  2. Step 2: Convert to fraction form
    51,018.78/76,536.06 = 26,045.28/x
  3. Step 3: Cross multiply
    51,018.78x = 76,536.06 × 26,045.28
  4. Step 4: Simplify right side
    51,018.78x = 1,993,403,112.80
  5. Step 5: Solve for x
    x = 1,993,403,112.80/51,018.78
  6. Step 6: Final answer
    x = 39,071.95

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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.