Home / 37,145.15-51,260.08-20,149.42

Finding the Fourth Proportional to 37,145.15, 51,260.08 and 20,149.42

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Solution

The fourth proportional to 37,145.15, 51,260.08 and 20,149.42 is: 27,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.15 : 51,260.08 = 20,149.42 : x
  2. Step 2: Convert to fraction form
    37,145.15/51,260.08 = 20,149.42/x
  3. Step 3: Cross multiply
    37,145.15x = 51,260.08 × 20,149.42
  4. Step 4: Simplify right side
    37,145.15x = 1,032,860,894.86
  5. Step 5: Solve for x
    x = 1,032,860,894.86/37,145.15
  6. Step 6: Final answer
    x = 27,806.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.