Home / 32,617.05-48,939.50-13,905.90

Finding the Fourth Proportional to 32,617.05, 48,939.50 and 13,905.90

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Solution

The fourth proportional to 32,617.05, 48,939.50 and 13,905.90 is: 20,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,617.05 : 48,939.50 = 13,905.90 : x
  2. Step 2: Convert to fraction form
    32,617.05/48,939.50 = 13,905.90/x
  3. Step 3: Cross multiply
    32,617.05x = 48,939.50 × 13,905.90
  4. Step 4: Simplify right side
    32,617.05x = 680,547,548.35
  5. Step 5: Solve for x
    x = 680,547,548.35/32,617.05
  6. Step 6: Final answer
    x = 20,864.78

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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.