Home / 36,074.72-49,783.36-20,159.84

Finding the Fourth Proportional to 36,074.72, 49,783.36 and 20,159.84

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Solution

The fourth proportional to 36,074.72, 49,783.36 and 20,159.84 is: 27,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.72 : 49,783.36 = 20,159.84 : x
  2. Step 2: Convert to fraction form
    36,074.72/49,783.36 = 20,159.84/x
  3. Step 3: Cross multiply
    36,074.72x = 49,783.36 × 20,159.84
  4. Step 4: Simplify right side
    36,074.72x = 1,003,624,572.26
  5. Step 5: Solve for x
    x = 1,003,624,572.26/36,074.72
  6. Step 6: Final answer
    x = 27,820.72

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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.