Home / 31,304.32-43,200.35-17,157.13

Finding the Fourth Proportional to 31,304.32, 43,200.35 and 17,157.13

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Solution

The fourth proportional to 31,304.32, 43,200.35 and 17,157.13 is: 23,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.32 : 43,200.35 = 17,157.13 : x
  2. Step 2: Convert to fraction form
    31,304.32/43,200.35 = 17,157.13/x
  3. Step 3: Cross multiply
    31,304.32x = 43,200.35 × 17,157.13
  4. Step 4: Simplify right side
    31,304.32x = 741,193,935.21
  5. Step 5: Solve for x
    x = 741,193,935.21/31,304.32
  6. Step 6: Final answer
    x = 23,677.05

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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.