Home / 32,890.20-49,311-27,320.64

Finding the Fourth Proportional to 32,890.20, 49,311 and 27,320.64

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Solution

The fourth proportional to 32,890.20, 49,311 and 27,320.64 is: 40,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.20 : 49,311 = 27,320.64 : x
  2. Step 2: Convert to fraction form
    32,890.20/49,311 = 27,320.64/x
  3. Step 3: Cross multiply
    32,890.20x = 49,311 × 27,320.64
  4. Step 4: Simplify right side
    32,890.20x = 1,347,208,079.04
  5. Step 5: Solve for x
    x = 1,347,208,079.04/32,890.20
  6. Step 6: Final answer
    x = 40,960.77

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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.