Home / 39,442.60-54,437.81-23,309.22

Finding the Fourth Proportional to 39,442.60, 54,437.81 and 23,309.22

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Solution

The fourth proportional to 39,442.60, 54,437.81 and 23,309.22 is: 32,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.60 : 54,437.81 = 23,309.22 : x
  2. Step 2: Convert to fraction form
    39,442.60/54,437.81 = 23,309.22/x
  3. Step 3: Cross multiply
    39,442.60x = 54,437.81 × 23,309.22
  4. Step 4: Simplify right side
    39,442.60x = 1,268,902,977.20
  5. Step 5: Solve for x
    x = 1,268,902,977.20/39,442.60
  6. Step 6: Final answer
    x = 32,170.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.