Home / 36,070.07-49,775.77-20,154.62

Finding the Fourth Proportional to 36,070.07, 49,775.77 and 20,154.62

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Solution

The fourth proportional to 36,070.07, 49,775.77 and 20,154.62 is: 27,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.07 : 49,775.77 = 20,154.62 : x
  2. Step 2: Convert to fraction form
    36,070.07/49,775.77 = 20,154.62/x
  3. Step 3: Cross multiply
    36,070.07x = 49,775.77 × 20,154.62
  4. Step 4: Simplify right side
    36,070.07x = 1,003,211,729.56
  5. Step 5: Solve for x
    x = 1,003,211,729.56/36,070.07
  6. Step 6: Final answer
    x = 27,812.86

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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.