Home / 35,627.46-49,164.98-20,519.78

Finding the Fourth Proportional to 35,627.46, 49,164.98 and 20,519.78

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Solution

The fourth proportional to 35,627.46, 49,164.98 and 20,519.78 is: 28,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,627.46 : 49,164.98 = 20,519.78 : x
  2. Step 2: Convert to fraction form
    35,627.46/49,164.98 = 20,519.78/x
  3. Step 3: Cross multiply
    35,627.46x = 49,164.98 × 20,519.78
  4. Step 4: Simplify right side
    35,627.46x = 1,008,854,573.30
  5. Step 5: Solve for x
    x = 1,008,854,573.30/35,627.46
  6. Step 6: Final answer
    x = 28,316.77

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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.