Home / 31,619.16-43,634.70-19,052.28

Finding the Fourth Proportional to 31,619.16, 43,634.70 and 19,052.28

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Solution

The fourth proportional to 31,619.16, 43,634.70 and 19,052.28 is: 26,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.16 : 43,634.70 = 19,052.28 : x
  2. Step 2: Convert to fraction form
    31,619.16/43,634.70 = 19,052.28/x
  3. Step 3: Cross multiply
    31,619.16x = 43,634.70 × 19,052.28
  4. Step 4: Simplify right side
    31,619.16x = 831,340,522.12
  5. Step 5: Solve for x
    x = 831,340,522.12/31,619.16
  6. Step 6: Final answer
    x = 26,292.30

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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.