Home / 32,640.87-48,983.20-20,962.29

Finding the Fourth Proportional to 32,640.87, 48,983.20 and 20,962.29

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Solution

The fourth proportional to 32,640.87, 48,983.20 and 20,962.29 is: 31,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.87 : 48,983.20 = 20,962.29 : x
  2. Step 2: Convert to fraction form
    32,640.87/48,983.20 = 20,962.29/x
  3. Step 3: Cross multiply
    32,640.87x = 48,983.20 × 20,962.29
  4. Step 4: Simplify right side
    32,640.87x = 1,026,799,991.12
  5. Step 5: Solve for x
    x = 1,026,799,991.12/32,640.87
  6. Step 6: Final answer
    x = 31,457.49

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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.