Home / 48,072.72-72,054-18,475.32

Finding the Fourth Proportional to 48,072.72, 72,054 and 18,475.32

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Solution

The fourth proportional to 48,072.72, 72,054 and 18,475.32 is: 27,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.72 : 72,054 = 18,475.32 : x
  2. Step 2: Convert to fraction form
    48,072.72/72,054 = 18,475.32/x
  3. Step 3: Cross multiply
    48,072.72x = 72,054 × 18,475.32
  4. Step 4: Simplify right side
    48,072.72x = 1,331,220,707.28
  5. Step 5: Solve for x
    x = 1,331,220,707.28/48,072.72
  6. Step 6: Final answer
    x = 27,691.81

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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.