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Finding the Fourth Proportional to 59,876.30, 89,765.72 and 22,415.36

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Solution

The fourth proportional to 59,876.30, 89,765.72 and 22,415.36 is: 33,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,876.30 : 89,765.72 = 22,415.36 : x
  2. Step 2: Convert to fraction form
    59,876.30/89,765.72 = 22,415.36/x
  3. Step 3: Cross multiply
    59,876.30x = 89,765.72 × 22,415.36
  4. Step 4: Simplify right side
    59,876.30x = 2,012,130,929.46
  5. Step 5: Solve for x
    x = 2,012,130,929.46/59,876.30
  6. Step 6: Final answer
    x = 33,604.80

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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.