Home / 40,680.35-56,140.99-22,774.28

Finding the Fourth Proportional to 40,680.35, 56,140.99 and 22,774.28

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Solution

The fourth proportional to 40,680.35, 56,140.99 and 22,774.28 is: 31,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.35 : 56,140.99 = 22,774.28 : x
  2. Step 2: Convert to fraction form
    40,680.35/56,140.99 = 22,774.28/x
  3. Step 3: Cross multiply
    40,680.35x = 56,140.99 × 22,774.28
  4. Step 4: Simplify right side
    40,680.35x = 1,278,570,709.15
  5. Step 5: Solve for x
    x = 1,278,570,709.15/40,680.35
  6. Step 6: Final answer
    x = 31,429.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.