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Finding the Fourth Proportional to 33,705, 50,557.32 and 8,745.03

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Solution

The fourth proportional to 33,705, 50,557.32 and 8,745.03 is: 13,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,705 : 50,557.32 = 8,745.03 : x
  2. Step 2: Convert to fraction form
    33,705/50,557.32 = 8,745.03/x
  3. Step 3: Cross multiply
    33,705x = 50,557.32 × 8,745.03
  4. Step 4: Simplify right side
    33,705x = 442,125,280.12
  5. Step 5: Solve for x
    x = 442,125,280.12/33,705
  6. Step 6: Final answer
    x = 13,117.50

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1.5x scale

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.