Home / 65,716.10-98,563.38-18,334.40

Finding the Fourth Proportional to 65,716.10, 98,563.38 and 18,334.40

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Solution

The fourth proportional to 65,716.10, 98,563.38 and 18,334.40 is: 27,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.10 : 98,563.38 = 18,334.40 : x
  2. Step 2: Convert to fraction form
    65,716.10/98,563.38 = 18,334.40/x
  3. Step 3: Cross multiply
    65,716.10x = 98,563.38 × 18,334.40
  4. Step 4: Simplify right side
    65,716.10x = 1,807,100,434.27
  5. Step 5: Solve for x
    x = 1,807,100,434.27/65,716.10
  6. Step 6: Final answer
    x = 27,498.60

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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.