Home / 37,117.40-55,678.32-12,160.08

Finding the Fourth Proportional to 37,117.40, 55,678.32 and 12,160.08

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Solution

The fourth proportional to 37,117.40, 55,678.32 and 12,160.08 is: 18,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.40 : 55,678.32 = 12,160.08 : x
  2. Step 2: Convert to fraction form
    37,117.40/55,678.32 = 12,160.08/x
  3. Step 3: Cross multiply
    37,117.40x = 55,678.32 × 12,160.08
  4. Step 4: Simplify right side
    37,117.40x = 677,052,825.47
  5. Step 5: Solve for x
    x = 677,052,825.47/37,117.40
  6. Step 6: Final answer
    x = 18,240.85

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1.5x scale

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.