Home / 36,715.16-50,665.20-20,799.74

Finding the Fourth Proportional to 36,715.16, 50,665.20 and 20,799.74

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Solution

The fourth proportional to 36,715.16, 50,665.20 and 20,799.74 is: 28,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.16 : 50,665.20 = 20,799.74 : x
  2. Step 2: Convert to fraction form
    36,715.16/50,665.20 = 20,799.74/x
  3. Step 3: Cross multiply
    36,715.16x = 50,665.20 × 20,799.74
  4. Step 4: Simplify right side
    36,715.16x = 1,053,822,987.05
  5. Step 5: Solve for x
    x = 1,053,822,987.05/36,715.16
  6. Step 6: Final answer
    x = 28,702.67

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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.