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Finding the Fourth Proportional to 55,869.62, 83,807 and 18,432.96

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Solution

The fourth proportional to 55,869.62, 83,807 and 18,432.96 is: 27,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.62 : 83,807 = 18,432.96 : x
  2. Step 2: Convert to fraction form
    55,869.62/83,807 = 18,432.96/x
  3. Step 3: Cross multiply
    55,869.62x = 83,807 × 18,432.96
  4. Step 4: Simplify right side
    55,869.62x = 1,544,810,659.69
  5. Step 5: Solve for x
    x = 1,544,810,659.69/55,869.62
  6. Step 6: Final answer
    x = 27,650.28

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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.