Home / 36,945.39-55,442.40-13,572.03

Finding the Fourth Proportional to 36,945.39, 55,442.40 and 13,572.03

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Solution

The fourth proportional to 36,945.39, 55,442.40 and 13,572.03 is: 20,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.39 : 55,442.40 = 13,572.03 : x
  2. Step 2: Convert to fraction form
    36,945.39/55,442.40 = 13,572.03/x
  3. Step 3: Cross multiply
    36,945.39x = 55,442.40 × 13,572.03
  4. Step 4: Simplify right side
    36,945.39x = 752,465,916.07
  5. Step 5: Solve for x
    x = 752,465,916.07/36,945.39
  6. Step 6: Final answer
    x = 20,366.98

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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.