Home / 35,627.44-49,160.34-20,520.76

Finding the Fourth Proportional to 35,627.44, 49,160.34 and 20,520.76

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Solution

The fourth proportional to 35,627.44, 49,160.34 and 20,520.76 is: 28,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,627.44 : 49,160.34 = 20,520.76 : x
  2. Step 2: Convert to fraction form
    35,627.44/49,160.34 = 20,520.76/x
  3. Step 3: Cross multiply
    35,627.44x = 49,160.34 × 20,520.76
  4. Step 4: Simplify right side
    35,627.44x = 1,008,807,538.66
  5. Step 5: Solve for x
    x = 1,008,807,538.66/35,627.44
  6. Step 6: Final answer
    x = 28,315.47

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Double scale
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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.