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Finding the Fourth Proportional to 35,305.76, 48,732.88 and 22,730.52

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Solution

The fourth proportional to 35,305.76, 48,732.88 and 22,730.52 is: 31,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.76 : 48,732.88 = 22,730.52 : x
  2. Step 2: Convert to fraction form
    35,305.76/48,732.88 = 22,730.52/x
  3. Step 3: Cross multiply
    35,305.76x = 48,732.88 × 22,730.52
  4. Step 4: Simplify right side
    35,305.76x = 1,107,723,703.50
  5. Step 5: Solve for x
    x = 1,107,723,703.50/35,305.76
  6. Step 6: Final answer
    x = 31,375.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.