Home / 71,241.42-98,313.14-39,410.35

Finding the Fourth Proportional to 71,241.42, 98,313.14 and 39,410.35

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Solution

The fourth proportional to 71,241.42, 98,313.14 and 39,410.35 is: 54,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,241.42 : 98,313.14 = 39,410.35 : x
  2. Step 2: Convert to fraction form
    71,241.42/98,313.14 = 39,410.35/x
  3. Step 3: Cross multiply
    71,241.42x = 98,313.14 × 39,410.35
  4. Step 4: Simplify right side
    71,241.42x = 3,874,555,109.74
  5. Step 5: Solve for x
    x = 3,874,555,109.74/71,241.42
  6. Step 6: Final answer
    x = 54,386.27

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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.