Home / 51,519.71-77,307.41-21,536.57

Finding the Fourth Proportional to 51,519.71, 77,307.41 and 21,536.57

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Solution

The fourth proportional to 51,519.71, 77,307.41 and 21,536.57 is: 32,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519.71 : 77,307.41 = 21,536.57 : x
  2. Step 2: Convert to fraction form
    51,519.71/77,307.41 = 21,536.57/x
  3. Step 3: Cross multiply
    51,519.71x = 77,307.41 × 21,536.57
  4. Step 4: Simplify right side
    51,519.71x = 1,664,935,952.76
  5. Step 5: Solve for x
    x = 1,664,935,952.76/51,519.71
  6. Step 6: Final answer
    x = 32,316.49

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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.