Home / 35,600.32-49,128.96-20,696.32

Finding the Fourth Proportional to 35,600.32, 49,128.96 and 20,696.32

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Solution

The fourth proportional to 35,600.32, 49,128.96 and 20,696.32 is: 28,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,600.32 : 49,128.96 = 20,696.32 : x
  2. Step 2: Convert to fraction form
    35,600.32/49,128.96 = 20,696.32/x
  3. Step 3: Cross multiply
    35,600.32x = 49,128.96 × 20,696.32
  4. Step 4: Simplify right side
    35,600.32x = 1,016,788,677.43
  5. Step 5: Solve for x
    x = 1,016,788,677.43/35,600.32
  6. Step 6: Final answer
    x = 28,561.22

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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.