Home / 31,262.46-43,142.69-17,116.62

Finding the Fourth Proportional to 31,262.46, 43,142.69 and 17,116.62

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Solution

The fourth proportional to 31,262.46, 43,142.69 and 17,116.62 is: 23,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.46 : 43,142.69 = 17,116.62 : x
  2. Step 2: Convert to fraction form
    31,262.46/43,142.69 = 17,116.62/x
  3. Step 3: Cross multiply
    31,262.46x = 43,142.69 × 17,116.62
  4. Step 4: Simplify right side
    31,262.46x = 738,457,030.51
  5. Step 5: Solve for x
    x = 738,457,030.51/31,262.46
  6. Step 6: Final answer
    x = 23,621.21

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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.