Home / 48,455.10-72,628.65-18,863.10

Finding the Fourth Proportional to 48,455.10, 72,628.65 and 18,863.10

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Solution

The fourth proportional to 48,455.10, 72,628.65 and 18,863.10 is: 28,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.10 : 72,628.65 = 18,863.10 : x
  2. Step 2: Convert to fraction form
    48,455.10/72,628.65 = 18,863.10/x
  3. Step 3: Cross multiply
    48,455.10x = 72,628.65 × 18,863.10
  4. Step 4: Simplify right side
    48,455.10x = 1,370,001,487.82
  5. Step 5: Solve for x
    x = 1,370,001,487.82/48,455.10
  6. Step 6: Final answer
    x = 28,273.63

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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.