Home / 51,145.26-76,718.09-17,865.19

Finding the Fourth Proportional to 51,145.26, 76,718.09 and 17,865.19

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Solution

The fourth proportional to 51,145.26, 76,718.09 and 17,865.19 is: 26,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.26 : 76,718.09 = 17,865.19 : x
  2. Step 2: Convert to fraction form
    51,145.26/76,718.09 = 17,865.19/x
  3. Step 3: Cross multiply
    51,145.26x = 76,718.09 × 17,865.19
  4. Step 4: Simplify right side
    51,145.26x = 1,370,583,254.29
  5. Step 5: Solve for x
    x = 1,370,583,254.29/51,145.26
  6. Step 6: Final answer
    x = 26,797.85

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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.