Home / 35,268.16-52,912.16-31,399.68

Finding the Fourth Proportional to 35,268.16, 52,912.16 and 31,399.68

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Solution

The fourth proportional to 35,268.16, 52,912.16 and 31,399.68 is: 47,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,268.16 : 52,912.16 = 31,399.68 : x
  2. Step 2: Convert to fraction form
    35,268.16/52,912.16 = 31,399.68/x
  3. Step 3: Cross multiply
    35,268.16x = 52,912.16 × 31,399.68
  4. Step 4: Simplify right side
    35,268.16x = 1,661,424,892.11
  5. Step 5: Solve for x
    x = 1,661,424,892.11/35,268.16
  6. Step 6: Final answer
    x = 47,108.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.