Home / 51,071.40-76,532.16-25,736.28

Finding the Fourth Proportional to 51,071.40, 76,532.16 and 25,736.28

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Solution

The fourth proportional to 51,071.40, 76,532.16 and 25,736.28 is: 38,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.40 : 76,532.16 = 25,736.28 : x
  2. Step 2: Convert to fraction form
    51,071.40/76,532.16 = 25,736.28/x
  3. Step 3: Cross multiply
    51,071.40x = 76,532.16 × 25,736.28
  4. Step 4: Simplify right side
    51,071.40x = 1,969,653,098.76
  5. Step 5: Solve for x
    x = 1,969,653,098.76/51,071.40
  6. Step 6: Final answer
    x = 38,566.66

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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.