Home / 36,074.31-49,782.47-20,158.76

Finding the Fourth Proportional to 36,074.31, 49,782.47 and 20,158.76

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Solution

The fourth proportional to 36,074.31, 49,782.47 and 20,158.76 is: 27,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.31 : 49,782.47 = 20,158.76 : x
  2. Step 2: Convert to fraction form
    36,074.31/49,782.47 = 20,158.76/x
  3. Step 3: Cross multiply
    36,074.31x = 49,782.47 × 20,158.76
  4. Step 4: Simplify right side
    36,074.31x = 1,003,552,864.94
  5. Step 5: Solve for x
    x = 1,003,552,864.94/36,074.31
  6. Step 6: Final answer
    x = 27,819.05

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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.