Home / 56,291.48-84,438.24-18,844.57

Finding the Fourth Proportional to 56,291.48, 84,438.24 and 18,844.57

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Solution

The fourth proportional to 56,291.48, 84,438.24 and 18,844.57 is: 28,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,291.48 : 84,438.24 = 18,844.57 : x
  2. Step 2: Convert to fraction form
    56,291.48/84,438.24 = 18,844.57/x
  3. Step 3: Cross multiply
    56,291.48x = 84,438.24 × 18,844.57
  4. Step 4: Simplify right side
    56,291.48x = 1,591,201,807.94
  5. Step 5: Solve for x
    x = 1,591,201,807.94/56,291.48
  6. Step 6: Final answer
    x = 28,267.19

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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.