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Finding the Fourth Proportional to 49,492.40, 74,254.90 and 32,917.64

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Solution

The fourth proportional to 49,492.40, 74,254.90 and 32,917.64 is: 49,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,492.40 : 74,254.90 = 32,917.64 : x
  2. Step 2: Convert to fraction form
    49,492.40/74,254.90 = 32,917.64/x
  3. Step 3: Cross multiply
    49,492.40x = 74,254.90 × 32,917.64
  4. Step 4: Simplify right side
    49,492.40x = 2,444,296,066.44
  5. Step 5: Solve for x
    x = 2,444,296,066.44/49,492.40
  6. Step 6: Final answer
    x = 49,387.30

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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.