Home / 36,090.32-49,806.18-20,174.76

Finding the Fourth Proportional to 36,090.32, 49,806.18 and 20,174.76

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Solution

The fourth proportional to 36,090.32, 49,806.18 and 20,174.76 is: 27,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.32 : 49,806.18 = 20,174.76 : x
  2. Step 2: Convert to fraction form
    36,090.32/49,806.18 = 20,174.76/x
  3. Step 3: Cross multiply
    36,090.32x = 49,806.18 × 20,174.76
  4. Step 4: Simplify right side
    36,090.32x = 1,004,827,728.02
  5. Step 5: Solve for x
    x = 1,004,827,728.02/36,090.32
  6. Step 6: Final answer
    x = 27,842.03

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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.