Home / 35,845.25-53,465.39-31,128.17

Finding the Fourth Proportional to 35,845.25, 53,465.39 and 31,128.17

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Solution

The fourth proportional to 35,845.25, 53,465.39 and 31,128.17 is: 46,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.25 : 53,465.39 = 31,128.17 : x
  2. Step 2: Convert to fraction form
    35,845.25/53,465.39 = 31,128.17/x
  3. Step 3: Cross multiply
    35,845.25x = 53,465.39 × 31,128.17
  4. Step 4: Simplify right side
    35,845.25x = 1,664,279,785.42
  5. Step 5: Solve for x
    x = 1,664,279,785.42/35,845.25
  6. Step 6: Final answer
    x = 46,429.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.