Home / 65,078.28-97,617.42-18,331.08

Finding the Fourth Proportional to 65,078.28, 97,617.42 and 18,331.08

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Solution

The fourth proportional to 65,078.28, 97,617.42 and 18,331.08 is: 27,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,078.28 : 97,617.42 = 18,331.08 : x
  2. Step 2: Convert to fraction form
    65,078.28/97,617.42 = 18,331.08/x
  3. Step 3: Cross multiply
    65,078.28x = 97,617.42 × 18,331.08
  4. Step 4: Simplify right side
    65,078.28x = 1,789,432,735.41
  5. Step 5: Solve for x
    x = 1,789,432,735.41/65,078.28
  6. Step 6: Final answer
    x = 27,496.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.