Home / 35,845.38-53,465.58-31,128.30

Finding the Fourth Proportional to 35,845.38, 53,465.58 and 31,128.30

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Solution

The fourth proportional to 35,845.38, 53,465.58 and 31,128.30 is: 46,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.38 : 53,465.58 = 31,128.30 : x
  2. Step 2: Convert to fraction form
    35,845.38/53,465.58 = 31,128.30/x
  3. Step 3: Cross multiply
    35,845.38x = 53,465.58 × 31,128.30
  4. Step 4: Simplify right side
    35,845.38x = 1,664,292,458.27
  5. Step 5: Solve for x
    x = 1,664,292,458.27/35,845.38
  6. Step 6: Final answer
    x = 46,429.76

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1.5x scale

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.