Home / 31,262.96-43,144.46-17,116.40

Finding the Fourth Proportional to 31,262.96, 43,144.46 and 17,116.40

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Solution

The fourth proportional to 31,262.96, 43,144.46 and 17,116.40 is: 23,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.96 : 43,144.46 = 17,116.40 : x
  2. Step 2: Convert to fraction form
    31,262.96/43,144.46 = 17,116.40/x
  3. Step 3: Cross multiply
    31,262.96x = 43,144.46 × 17,116.40
  4. Step 4: Simplify right side
    31,262.96x = 738,477,835.14
  5. Step 5: Solve for x
    x = 738,477,835.14/31,262.96
  6. Step 6: Final answer
    x = 23,621.49

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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.