Home / 31,212.65-43,073.60-17,065.49

Finding the Fourth Proportional to 31,212.65, 43,073.60 and 17,065.49

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Solution

The fourth proportional to 31,212.65, 43,073.60 and 17,065.49 is: 23,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.65 : 43,073.60 = 17,065.49 : x
  2. Step 2: Convert to fraction form
    31,212.65/43,073.60 = 17,065.49/x
  3. Step 3: Cross multiply
    31,212.65x = 43,073.60 × 17,065.49
  4. Step 4: Simplify right side
    31,212.65x = 735,072,090.06
  5. Step 5: Solve for x
    x = 735,072,090.06/31,212.65
  6. Step 6: Final answer
    x = 23,550.46

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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.