Home / 65,389.26-98,084.78-18,642.12

Finding the Fourth Proportional to 65,389.26, 98,084.78 and 18,642.12

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Solution

The fourth proportional to 65,389.26, 98,084.78 and 18,642.12 is: 27,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,389.26 : 98,084.78 = 18,642.12 : x
  2. Step 2: Convert to fraction form
    65,389.26/98,084.78 = 18,642.12/x
  3. Step 3: Cross multiply
    65,389.26x = 98,084.78 × 18,642.12
  4. Step 4: Simplify right side
    65,389.26x = 1,828,508,238.93
  5. Step 5: Solve for x
    x = 1,828,508,238.93/65,389.26
  6. Step 6: Final answer
    x = 27,963.43

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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.