Home / 37,120.16-51,223.92-20,349.92

Finding the Fourth Proportional to 37,120.16, 51,223.92 and 20,349.92

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Solution

The fourth proportional to 37,120.16, 51,223.92 and 20,349.92 is: 28,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.16 : 51,223.92 = 20,349.92 : x
  2. Step 2: Convert to fraction form
    37,120.16/51,223.92 = 20,349.92/x
  3. Step 3: Cross multiply
    37,120.16x = 51,223.92 × 20,349.92
  4. Step 4: Simplify right side
    37,120.16x = 1,042,402,674.09
  5. Step 5: Solve for x
    x = 1,042,402,674.09/37,120.16
  6. Step 6: Final answer
    x = 28,081.85

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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.