Home / 34,313.28-47,349.44-18,996.80

Finding the Fourth Proportional to 34,313.28, 47,349.44 and 18,996.80

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Solution

The fourth proportional to 34,313.28, 47,349.44 and 18,996.80 is: 26,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.28 : 47,349.44 = 18,996.80 : x
  2. Step 2: Convert to fraction form
    34,313.28/47,349.44 = 18,996.80/x
  3. Step 3: Cross multiply
    34,313.28x = 47,349.44 × 18,996.80
  4. Step 4: Simplify right side
    34,313.28x = 899,487,841.79
  5. Step 5: Solve for x
    x = 899,487,841.79/34,313.28
  6. Step 6: Final answer
    x = 26,213.99

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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.