Home / 71,249.40-98,323.74-39,417.62

Finding the Fourth Proportional to 71,249.40, 98,323.74 and 39,417.62

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Solution

The fourth proportional to 71,249.40, 98,323.74 and 39,417.62 is: 54,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,249.40 : 98,323.74 = 39,417.62 : x
  2. Step 2: Convert to fraction form
    71,249.40/98,323.74 = 39,417.62/x
  3. Step 3: Cross multiply
    71,249.40x = 98,323.74 × 39,417.62
  4. Step 4: Simplify right side
    71,249.40x = 3,875,687,820.30
  5. Step 5: Solve for x
    x = 3,875,687,820.30/71,249.40
  6. Step 6: Final answer
    x = 54,396.08

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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.