Home / 42,612.64-63,919.50-16,318.96

Finding the Fourth Proportional to 42,612.64, 63,919.50 and 16,318.96

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Solution

The fourth proportional to 42,612.64, 63,919.50 and 16,318.96 is: 24,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.64 : 63,919.50 = 16,318.96 : x
  2. Step 2: Convert to fraction form
    42,612.64/63,919.50 = 16,318.96/x
  3. Step 3: Cross multiply
    42,612.64x = 63,919.50 × 16,318.96
  4. Step 4: Simplify right side
    42,612.64x = 1,043,099,763.72
  5. Step 5: Solve for x
    x = 1,043,099,763.72/42,612.64
  6. Step 6: Final answer
    x = 24,478.65

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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.