Home / 32,921.10-49,359.96-18,689.94

Finding the Fourth Proportional to 32,921.10, 49,359.96 and 18,689.94

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Solution

The fourth proportional to 32,921.10, 49,359.96 and 18,689.94 is: 28,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.10 : 49,359.96 = 18,689.94 : x
  2. Step 2: Convert to fraction form
    32,921.10/49,359.96 = 18,689.94/x
  3. Step 3: Cross multiply
    32,921.10x = 49,359.96 × 18,689.94
  4. Step 4: Simplify right side
    32,921.10x = 922,534,690.80
  5. Step 5: Solve for x
    x = 922,534,690.80/32,921.10
  6. Step 6: Final answer
    x = 28,022.60

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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.