Home / 47,715.49-71,573.25-18,126.34

Finding the Fourth Proportional to 47,715.49, 71,573.25 and 18,126.34

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Solution

The fourth proportional to 47,715.49, 71,573.25 and 18,126.34 is: 27,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.49 : 71,573.25 = 18,126.34 : x
  2. Step 2: Convert to fraction form
    47,715.49/71,573.25 = 18,126.34/x
  3. Step 3: Cross multiply
    47,715.49x = 71,573.25 × 18,126.34
  4. Step 4: Simplify right side
    47,715.49x = 1,297,361,064.41
  5. Step 5: Solve for x
    x = 1,297,361,064.41/47,715.49
  6. Step 6: Final answer
    x = 27,189.52

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1.5x scale

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.