Home / 35,620.97-49,157.40-20,516.28

Finding the Fourth Proportional to 35,620.97, 49,157.40 and 20,516.28

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Solution

The fourth proportional to 35,620.97, 49,157.40 and 20,516.28 is: 28,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.97 : 49,157.40 = 20,516.28 : x
  2. Step 2: Convert to fraction form
    35,620.97/49,157.40 = 20,516.28/x
  3. Step 3: Cross multiply
    35,620.97x = 49,157.40 × 20,516.28
  4. Step 4: Simplify right side
    35,620.97x = 1,008,526,982.47
  5. Step 5: Solve for x
    x = 1,008,526,982.47/35,620.97
  6. Step 6: Final answer
    x = 28,312.74

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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.