Home / 31,304.04-43,200.80-17,157.36

Finding the Fourth Proportional to 31,304.04, 43,200.80 and 17,157.36

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Solution

The fourth proportional to 31,304.04, 43,200.80 and 17,157.36 is: 23,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.04 : 43,200.80 = 17,157.36 : x
  2. Step 2: Convert to fraction form
    31,304.04/43,200.80 = 17,157.36/x
  3. Step 3: Cross multiply
    31,304.04x = 43,200.80 × 17,157.36
  4. Step 4: Simplify right side
    31,304.04x = 741,211,677.89
  5. Step 5: Solve for x
    x = 741,211,677.89/31,304.04
  6. Step 6: Final answer
    x = 23,677.83

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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.