Home / 51,742.06-77,613.57-20,585.26

Finding the Fourth Proportional to 51,742.06, 77,613.57 and 20,585.26

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Solution

The fourth proportional to 51,742.06, 77,613.57 and 20,585.26 is: 30,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.06 : 77,613.57 = 20,585.26 : x
  2. Step 2: Convert to fraction form
    51,742.06/77,613.57 = 20,585.26/x
  3. Step 3: Cross multiply
    51,742.06x = 77,613.57 × 20,585.26
  4. Step 4: Simplify right side
    51,742.06x = 1,597,695,517.98
  5. Step 5: Solve for x
    x = 1,597,695,517.98/51,742.06
  6. Step 6: Final answer
    x = 30,878.08

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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.