Home / 35,631.04-53,183.36-31,428.64

Finding the Fourth Proportional to 35,631.04, 53,183.36 and 31,428.64

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Solution

The fourth proportional to 35,631.04, 53,183.36 and 31,428.64 is: 46,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.04 : 53,183.36 = 31,428.64 : x
  2. Step 2: Convert to fraction form
    35,631.04/53,183.36 = 31,428.64/x
  3. Step 3: Cross multiply
    35,631.04x = 53,183.36 × 31,428.64
  4. Step 4: Simplify right side
    35,631.04x = 1,671,480,675.43
  5. Step 5: Solve for x
    x = 1,671,480,675.43/35,631.04
  6. Step 6: Final answer
    x = 46,910.80

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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.