Home / 65,720.96-98,581.46-18,334.13

Finding the Fourth Proportional to 65,720.96, 98,581.46 and 18,334.13

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Solution

The fourth proportional to 65,720.96, 98,581.46 and 18,334.13 is: 27,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720.96 : 98,581.46 = 18,334.13 : x
  2. Step 2: Convert to fraction form
    65,720.96/98,581.46 = 18,334.13/x
  3. Step 3: Cross multiply
    65,720.96x = 98,581.46 × 18,334.13
  4. Step 4: Simplify right side
    65,720.96x = 1,807,404,718.65
  5. Step 5: Solve for x
    x = 1,807,404,718.65/65,720.96
  6. Step 6: Final answer
    x = 27,501.19

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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.