Home / 48,633.78-72,960.40-15,356.96

Finding the Fourth Proportional to 48,633.78, 72,960.40 and 15,356.96

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Solution

The fourth proportional to 48,633.78, 72,960.40 and 15,356.96 is: 23,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,633.78 : 72,960.40 = 15,356.96 : x
  2. Step 2: Convert to fraction form
    48,633.78/72,960.40 = 15,356.96/x
  3. Step 3: Cross multiply
    48,633.78x = 72,960.40 × 15,356.96
  4. Step 4: Simplify right side
    48,633.78x = 1,120,449,944.38
  5. Step 5: Solve for x
    x = 1,120,449,944.38/48,633.78
  6. Step 6: Final answer
    x = 23,038.51

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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.