Home / 36,257.40-54,386.10-31,332.60

Finding the Fourth Proportional to 36,257.40, 54,386.10 and 31,332.60

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Solution

The fourth proportional to 36,257.40, 54,386.10 and 31,332.60 is: 46,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,257.40 : 54,386.10 = 31,332.60 : x
  2. Step 2: Convert to fraction form
    36,257.40/54,386.10 = 31,332.60/x
  3. Step 3: Cross multiply
    36,257.40x = 54,386.10 × 31,332.60
  4. Step 4: Simplify right side
    36,257.40x = 1,704,057,916.86
  5. Step 5: Solve for x
    x = 1,704,057,916.86/36,257.40
  6. Step 6: Final answer
    x = 46,998.90

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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.