Home / 31,305.04-43,202-17,157.92

Finding the Fourth Proportional to 31,305.04, 43,202 and 17,157.92

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Solution

The fourth proportional to 31,305.04, 43,202 and 17,157.92 is: 23,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.04 : 43,202 = 17,157.92 : x
  2. Step 2: Convert to fraction form
    31,305.04/43,202 = 17,157.92/x
  3. Step 3: Cross multiply
    31,305.04x = 43,202 × 17,157.92
  4. Step 4: Simplify right side
    31,305.04x = 741,256,459.84
  5. Step 5: Solve for x
    x = 741,256,459.84/31,305.04
  6. Step 6: Final answer
    x = 23,678.50

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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.