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Finding the Fourth Proportional to 30,988.44, 46,485.36 and 8,802

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Solution

The fourth proportional to 30,988.44, 46,485.36 and 8,802 is: 13,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.44 : 46,485.36 = 8,802 : x
  2. Step 2: Convert to fraction form
    30,988.44/46,485.36 = 8,802/x
  3. Step 3: Cross multiply
    30,988.44x = 46,485.36 × 8,802
  4. Step 4: Simplify right side
    30,988.44x = 409,164,138.72
  5. Step 5: Solve for x
    x = 409,164,138.72/30,988.44
  6. Step 6: Final answer
    x = 13,203.77

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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.