Home / 37,772.06-52,121.83-20,776.04

Finding the Fourth Proportional to 37,772.06, 52,121.83 and 20,776.04

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Solution

The fourth proportional to 37,772.06, 52,121.83 and 20,776.04 is: 28,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.06 : 52,121.83 = 20,776.04 : x
  2. Step 2: Convert to fraction form
    37,772.06/52,121.83 = 20,776.04/x
  3. Step 3: Cross multiply
    37,772.06x = 52,121.83 × 20,776.04
  4. Step 4: Simplify right side
    37,772.06x = 1,082,885,088.04
  5. Step 5: Solve for x
    x = 1,082,885,088.04/37,772.06
  6. Step 6: Final answer
    x = 28,668.94

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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.