Home / 32,490.28-48,667.38-20,743.66

Finding the Fourth Proportional to 32,490.28, 48,667.38 and 20,743.66

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Solution

The fourth proportional to 32,490.28, 48,667.38 and 20,743.66 is: 31,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.28 : 48,667.38 = 20,743.66 : x
  2. Step 2: Convert to fraction form
    32,490.28/48,667.38 = 20,743.66/x
  3. Step 3: Cross multiply
    32,490.28x = 48,667.38 × 20,743.66
  4. Step 4: Simplify right side
    32,490.28x = 1,009,539,583.81
  5. Step 5: Solve for x
    x = 1,009,539,583.81/32,490.28
  6. Step 6: Final answer
    x = 31,072.05

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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.