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Finding the Fourth Proportional to 59,571.35, 89,338.10 and 19,581.11

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Solution

The fourth proportional to 59,571.35, 89,338.10 and 19,581.11 is: 29,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,571.35 : 89,338.10 = 19,581.11 : x
  2. Step 2: Convert to fraction form
    59,571.35/89,338.10 = 19,581.11/x
  3. Step 3: Cross multiply
    59,571.35x = 89,338.10 × 19,581.11
  4. Step 4: Simplify right side
    59,571.35x = 1,749,338,953.71
  5. Step 5: Solve for x
    x = 1,749,338,953.71/59,571.35
  6. Step 6: Final answer
    x = 29,365.44

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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.