Home / 71,027.10-98,019.45-39,198.06

Finding the Fourth Proportional to 71,027.10, 98,019.45 and 39,198.06

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Solution

The fourth proportional to 71,027.10, 98,019.45 and 39,198.06 is: 54,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,027.10 : 98,019.45 = 39,198.06 : x
  2. Step 2: Convert to fraction form
    71,027.10/98,019.45 = 39,198.06/x
  3. Step 3: Cross multiply
    71,027.10x = 98,019.45 × 39,198.06
  4. Step 4: Simplify right side
    71,027.10x = 3,842,172,282.27
  5. Step 5: Solve for x
    x = 3,842,172,282.27/71,027.10
  6. Step 6: Final answer
    x = 54,094.46

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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.