Home / 31,320.44-43,221.84-17,173.16

Finding the Fourth Proportional to 31,320.44, 43,221.84 and 17,173.16

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Solution

The fourth proportional to 31,320.44, 43,221.84 and 17,173.16 is: 23,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.44 : 43,221.84 = 17,173.16 : x
  2. Step 2: Convert to fraction form
    31,320.44/43,221.84 = 17,173.16/x
  3. Step 3: Cross multiply
    31,320.44x = 43,221.84 × 17,173.16
  4. Step 4: Simplify right side
    31,320.44x = 742,255,573.81
  5. Step 5: Solve for x
    x = 742,255,573.81/31,320.44
  6. Step 6: Final answer
    x = 23,698.76

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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.