Home / 71,010.53-97,996.58-39,181.48

Finding the Fourth Proportional to 71,010.53, 97,996.58 and 39,181.48

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Solution

The fourth proportional to 71,010.53, 97,996.58 and 39,181.48 is: 54,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.53 : 97,996.58 = 39,181.48 : x
  2. Step 2: Convert to fraction form
    71,010.53/97,996.58 = 39,181.48/x
  3. Step 3: Cross multiply
    71,010.53x = 97,996.58 × 39,181.48
  4. Step 4: Simplify right side
    71,010.53x = 3,839,651,039.34
  5. Step 5: Solve for x
    x = 3,839,651,039.34/71,010.53
  6. Step 6: Final answer
    x = 54,071.57

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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.