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Finding the Fourth Proportional to 59,652.79, 89,478.65 and 18,099.79

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Solution

The fourth proportional to 59,652.79, 89,478.65 and 18,099.79 is: 27,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,652.79 : 89,478.65 = 18,099.79 : x
  2. Step 2: Convert to fraction form
    59,652.79/89,478.65 = 18,099.79/x
  3. Step 3: Cross multiply
    59,652.79x = 89,478.65 × 18,099.79
  4. Step 4: Simplify right side
    59,652.79x = 1,619,544,683.98
  5. Step 5: Solve for x
    x = 1,619,544,683.98/59,652.79
  6. Step 6: Final answer
    x = 27,149.52

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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.