Home / 31,283.28-43,168.68-17,133.84

Finding the Fourth Proportional to 31,283.28, 43,168.68 and 17,133.84

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Solution

The fourth proportional to 31,283.28, 43,168.68 and 17,133.84 is: 23,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.28 : 43,168.68 = 17,133.84 : x
  2. Step 2: Convert to fraction form
    31,283.28/43,168.68 = 17,133.84/x
  3. Step 3: Cross multiply
    31,283.28x = 43,168.68 × 17,133.84
  4. Step 4: Simplify right side
    31,283.28x = 739,645,256.13
  5. Step 5: Solve for x
    x = 739,645,256.13/31,283.28
  6. Step 6: Final answer
    x = 23,643.47

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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.