Home / 37,031.62-55,477.68-18,289.72

Finding the Fourth Proportional to 37,031.62, 55,477.68 and 18,289.72

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Solution

The fourth proportional to 37,031.62, 55,477.68 and 18,289.72 is: 27,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.62 : 55,477.68 = 18,289.72 : x
  2. Step 2: Convert to fraction form
    37,031.62/55,477.68 = 18,289.72/x
  3. Step 3: Cross multiply
    37,031.62x = 55,477.68 × 18,289.72
  4. Step 4: Simplify right side
    37,031.62x = 1,014,671,233.45
  5. Step 5: Solve for x
    x = 1,014,671,233.45/37,031.62
  6. Step 6: Final answer
    x = 27,400.13

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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.