Home / 71,048.34-98,046.21-39,217.23

Finding the Fourth Proportional to 71,048.34, 98,046.21 and 39,217.23

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Solution

The fourth proportional to 71,048.34, 98,046.21 and 39,217.23 is: 54,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.34 : 98,046.21 = 39,217.23 : x
  2. Step 2: Convert to fraction form
    71,048.34/98,046.21 = 39,217.23/x
  3. Step 3: Cross multiply
    71,048.34x = 98,046.21 × 39,217.23
  4. Step 4: Simplify right side
    71,048.34x = 3,845,100,768.20
  5. Step 5: Solve for x
    x = 3,845,100,768.20/71,048.34
  6. Step 6: Final answer
    x = 54,119.50

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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.