Home / 35,128.87-48,478.66-20,022.93

Finding the Fourth Proportional to 35,128.87, 48,478.66 and 20,022.93

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Solution

The fourth proportional to 35,128.87, 48,478.66 and 20,022.93 is: 27,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.87 : 48,478.66 = 20,022.93 : x
  2. Step 2: Convert to fraction form
    35,128.87/48,478.66 = 20,022.93/x
  3. Step 3: Cross multiply
    35,128.87x = 48,478.66 × 20,022.93
  4. Step 4: Simplify right side
    35,128.87x = 970,684,815.67
  5. Step 5: Solve for x
    x = 970,684,815.67/35,128.87
  6. Step 6: Final answer
    x = 27,632.11

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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.