Home / 34,240.64-51,290.21-20,157.28

Finding the Fourth Proportional to 34,240.64, 51,290.21 and 20,157.28

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Solution

The fourth proportional to 34,240.64, 51,290.21 and 20,157.28 is: 30,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240.64 : 51,290.21 = 20,157.28 : x
  2. Step 2: Convert to fraction form
    34,240.64/51,290.21 = 20,157.28/x
  3. Step 3: Cross multiply
    34,240.64x = 51,290.21 × 20,157.28
  4. Step 4: Simplify right side
    34,240.64x = 1,033,870,895.22
  5. Step 5: Solve for x
    x = 1,033,870,895.22/34,240.64
  6. Step 6: Final answer
    x = 30,194.26

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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.