Home / 34,287.24-47,331.90-20,141.22

Finding the Fourth Proportional to 34,287.24, 47,331.90 and 20,141.22

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Solution

The fourth proportional to 34,287.24, 47,331.90 and 20,141.22 is: 27,803.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.24 : 47,331.90 = 20,141.22 : x
  2. Step 2: Convert to fraction form
    34,287.24/47,331.90 = 20,141.22/x
  3. Step 3: Cross multiply
    34,287.24x = 47,331.90 × 20,141.22
  4. Step 4: Simplify right side
    34,287.24x = 953,322,210.92
  5. Step 5: Solve for x
    x = 953,322,210.92/34,287.24
  6. Step 6: Final answer
    x = 27,803.99

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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.