Home / 31,419.09-43,313.54-22,463.33

Finding the Fourth Proportional to 31,419.09, 43,313.54 and 22,463.33

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Solution

The fourth proportional to 31,419.09, 43,313.54 and 22,463.33 is: 30,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.09 : 43,313.54 = 22,463.33 : x
  2. Step 2: Convert to fraction form
    31,419.09/43,313.54 = 22,463.33/x
  3. Step 3: Cross multiply
    31,419.09x = 43,313.54 × 22,463.33
  4. Step 4: Simplify right side
    31,419.09x = 972,966,013.60
  5. Step 5: Solve for x
    x = 972,966,013.60/31,419.09
  6. Step 6: Final answer
    x = 30,967.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.