Home / 71,009.34-97,998.39-39,181.02

Finding the Fourth Proportional to 71,009.34, 97,998.39 and 39,181.02

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Solution

The fourth proportional to 71,009.34, 97,998.39 and 39,181.02 is: 54,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009.34 : 97,998.39 = 39,181.02 : x
  2. Step 2: Convert to fraction form
    71,009.34/97,998.39 = 39,181.02/x
  3. Step 3: Cross multiply
    71,009.34x = 97,998.39 × 39,181.02
  4. Step 4: Simplify right side
    71,009.34x = 3,839,676,878.56
  5. Step 5: Solve for x
    x = 3,839,676,878.56/71,009.34
  6. Step 6: Final answer
    x = 54,072.84

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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.