Home / 37,767.36-52,119.08-20,772.65

Finding the Fourth Proportional to 37,767.36, 52,119.08 and 20,772.65

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Solution

The fourth proportional to 37,767.36, 52,119.08 and 20,772.65 is: 28,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,767.36 : 52,119.08 = 20,772.65 : x
  2. Step 2: Convert to fraction form
    37,767.36/52,119.08 = 20,772.65/x
  3. Step 3: Cross multiply
    37,767.36x = 52,119.08 × 20,772.65
  4. Step 4: Simplify right side
    37,767.36x = 1,082,651,042.70
  5. Step 5: Solve for x
    x = 1,082,651,042.70/37,767.36
  6. Step 6: Final answer
    x = 28,666.32

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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.