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Finding the Fourth Proportional to 59,221.80, 88,846.62 and 19,240.65

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Solution

The fourth proportional to 59,221.80, 88,846.62 and 19,240.65 is: 28,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,221.80 : 88,846.62 = 19,240.65 : x
  2. Step 2: Convert to fraction form
    59,221.80/88,846.62 = 19,240.65/x
  3. Step 3: Cross multiply
    59,221.80x = 88,846.62 × 19,240.65
  4. Step 4: Simplify right side
    59,221.80x = 1,709,466,719.10
  5. Step 5: Solve for x
    x = 1,709,466,719.10/59,221.80
  6. Step 6: Final answer
    x = 28,865.50

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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.