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Finding the Fourth Proportional to 32,809.21, 49,167.69 and 18,748.17

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Solution

The fourth proportional to 32,809.21, 49,167.69 and 18,748.17 is: 28,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,809.21 : 49,167.69 = 18,748.17 : x
  2. Step 2: Convert to fraction form
    32,809.21/49,167.69 = 18,748.17/x
  3. Step 3: Cross multiply
    32,809.21x = 49,167.69 × 18,748.17
  4. Step 4: Simplify right side
    32,809.21x = 921,804,275.38
  5. Step 5: Solve for x
    x = 921,804,275.38/32,809.21
  6. Step 6: Final answer
    x = 28,095.90

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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.