Home / 37,161.04-55,712.40-25,438.72

Finding the Fourth Proportional to 37,161.04, 55,712.40 and 25,438.72

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Solution

The fourth proportional to 37,161.04, 55,712.40 and 25,438.72 is: 38,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,161.04 : 55,712.40 = 25,438.72 : x
  2. Step 2: Convert to fraction form
    37,161.04/55,712.40 = 25,438.72/x
  3. Step 3: Cross multiply
    37,161.04x = 55,712.40 × 25,438.72
  4. Step 4: Simplify right side
    37,161.04x = 1,417,252,144.13
  5. Step 5: Solve for x
    x = 1,417,252,144.13/37,161.04
  6. Step 6: Final answer
    x = 38,138.12

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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.