Home / 65,491.26-98,236.86-18,744.12

Finding the Fourth Proportional to 65,491.26, 98,236.86 and 18,744.12

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Solution

The fourth proportional to 65,491.26, 98,236.86 and 18,744.12 is: 28,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.26 : 98,236.86 = 18,744.12 : x
  2. Step 2: Convert to fraction form
    65,491.26/98,236.86 = 18,744.12/x
  3. Step 3: Cross multiply
    65,491.26x = 98,236.86 × 18,744.12
  4. Step 4: Simplify right side
    65,491.26x = 1,841,363,492.26
  5. Step 5: Solve for x
    x = 1,841,363,492.26/65,491.26
  6. Step 6: Final answer
    x = 28,116.17

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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.