Home / 71,011.44-97,995.24-39,181.68

Finding the Fourth Proportional to 71,011.44, 97,995.24 and 39,181.68

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Solution

The fourth proportional to 71,011.44, 97,995.24 and 39,181.68 is: 54,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,011.44 : 97,995.24 = 39,181.68 : x
  2. Step 2: Convert to fraction form
    71,011.44/97,995.24 = 39,181.68/x
  3. Step 3: Cross multiply
    71,011.44x = 97,995.24 × 39,181.68
  4. Step 4: Simplify right side
    71,011.44x = 3,839,618,135.20
  5. Step 5: Solve for x
    x = 3,839,618,135.20/71,011.44
  6. Step 6: Final answer
    x = 54,070.42

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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.