Home / 48,445.62-72,701.64-18,863.61

Finding the Fourth Proportional to 48,445.62, 72,701.64 and 18,863.61

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Solution

The fourth proportional to 48,445.62, 72,701.64 and 18,863.61 is: 28,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.62 : 72,701.64 = 18,863.61 : x
  2. Step 2: Convert to fraction form
    48,445.62/72,701.64 = 18,863.61/x
  3. Step 3: Cross multiply
    48,445.62x = 72,701.64 × 18,863.61
  4. Step 4: Simplify right side
    48,445.62x = 1,371,415,383.32
  5. Step 5: Solve for x
    x = 1,371,415,383.32/48,445.62
  6. Step 6: Final answer
    x = 28,308.35

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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.