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Finding the Fourth Proportional to 59,762.20, 89,621.88 and 19,773.82

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Solution

The fourth proportional to 59,762.20, 89,621.88 and 19,773.82 is: 29,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,762.20 : 89,621.88 = 19,773.82 : x
  2. Step 2: Convert to fraction form
    59,762.20/89,621.88 = 19,773.82/x
  3. Step 3: Cross multiply
    59,762.20x = 89,621.88 × 19,773.82
  4. Step 4: Simplify right side
    59,762.20x = 1,772,166,923.18
  5. Step 5: Solve for x
    x = 1,772,166,923.18/59,762.20
  6. Step 6: Final answer
    x = 29,653.64

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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.