Home / 71,297.28-98,390.97-39,468.06

Finding the Fourth Proportional to 71,297.28, 98,390.97 and 39,468.06

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Solution

The fourth proportional to 71,297.28, 98,390.97 and 39,468.06 is: 54,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,297.28 : 98,390.97 = 39,468.06 : x
  2. Step 2: Convert to fraction form
    71,297.28/98,390.97 = 39,468.06/x
  3. Step 3: Cross multiply
    71,297.28x = 98,390.97 × 39,468.06
  4. Step 4: Simplify right side
    71,297.28x = 3,883,300,707.42
  5. Step 5: Solve for x
    x = 3,883,300,707.42/71,297.28
  6. Step 6: Final answer
    x = 54,466.32

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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.