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Finding the Fourth Proportional to 59,571.72, 89,359.50 and 19,589.64

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Solution

The fourth proportional to 59,571.72, 89,359.50 and 19,589.64 is: 29,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,571.72 : 89,359.50 = 19,589.64 : x
  2. Step 2: Convert to fraction form
    59,571.72/89,359.50 = 19,589.64/x
  3. Step 3: Cross multiply
    59,571.72x = 89,359.50 × 19,589.64
  4. Step 4: Simplify right side
    59,571.72x = 1,750,520,435.58
  5. Step 5: Solve for x
    x = 1,750,520,435.58/59,571.72
  6. Step 6: Final answer
    x = 29,385.09

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1.5x scale

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.