Home / 47,182.71-70,777.99-20,529.62

Finding the Fourth Proportional to 47,182.71, 70,777.99 and 20,529.62

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Solution

The fourth proportional to 47,182.71, 70,777.99 and 20,529.62 is: 30,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,182.71 : 70,777.99 = 20,529.62 : x
  2. Step 2: Convert to fraction form
    47,182.71/70,777.99 = 20,529.62/x
  3. Step 3: Cross multiply
    47,182.71x = 70,777.99 × 20,529.62
  4. Step 4: Simplify right side
    47,182.71x = 1,453,045,176.25
  5. Step 5: Solve for x
    x = 1,453,045,176.25/47,182.71
  6. Step 6: Final answer
    x = 30,796.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.