Home / 31,142.37-46,721.46-8,955.27

Finding the Fourth Proportional to 31,142.37, 46,721.46 and 8,955.27

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Solution

The fourth proportional to 31,142.37, 46,721.46 and 8,955.27 is: 13,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,142.37 : 46,721.46 = 8,955.27 : x
  2. Step 2: Convert to fraction form
    31,142.37/46,721.46 = 8,955.27/x
  3. Step 3: Cross multiply
    31,142.37x = 46,721.46 × 8,955.27
  4. Step 4: Simplify right side
    31,142.37x = 418,403,289.09
  5. Step 5: Solve for x
    x = 418,403,289.09/31,142.37
  6. Step 6: Final answer
    x = 13,435.18

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1.5x scale

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.