Home / 37,032.64-55,556.64-12,408

Finding the Fourth Proportional to 37,032.64, 55,556.64 and 12,408

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Solution

The fourth proportional to 37,032.64, 55,556.64 and 12,408 is: 18,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,032.64 : 55,556.64 = 12,408 : x
  2. Step 2: Convert to fraction form
    37,032.64/55,556.64 = 12,408/x
  3. Step 3: Cross multiply
    37,032.64x = 55,556.64 × 12,408
  4. Step 4: Simplify right side
    37,032.64x = 689,346,789.12
  5. Step 5: Solve for x
    x = 689,346,789.12/37,032.64
  6. Step 6: Final answer
    x = 18,614.57

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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.