Home / 65,453.31-98,183.61-18,707.40

Finding the Fourth Proportional to 65,453.31, 98,183.61 and 18,707.40

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Solution

The fourth proportional to 65,453.31, 98,183.61 and 18,707.40 is: 28,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,453.31 : 98,183.61 = 18,707.40 : x
  2. Step 2: Convert to fraction form
    65,453.31/98,183.61 = 18,707.40/x
  3. Step 3: Cross multiply
    65,453.31x = 98,183.61 × 18,707.40
  4. Step 4: Simplify right side
    65,453.31x = 1,836,760,065.71
  5. Step 5: Solve for x
    x = 1,836,760,065.71/65,453.31
  6. Step 6: Final answer
    x = 28,062.14

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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.