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Finding the Fourth Proportional to 32,661.14, 48,992.28 and 9,288.20

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Solution

The fourth proportional to 32,661.14, 48,992.28 and 9,288.20 is: 13,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.14 : 48,992.28 = 9,288.20 : x
  2. Step 2: Convert to fraction form
    32,661.14/48,992.28 = 9,288.20/x
  3. Step 3: Cross multiply
    32,661.14x = 48,992.28 × 9,288.20
  4. Step 4: Simplify right side
    32,661.14x = 455,050,095.10
  5. Step 5: Solve for x
    x = 455,050,095.10/32,661.14
  6. Step 6: Final answer
    x = 13,932.46

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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.