Home / 31,307.42-43,203.56-17,159.96

Finding the Fourth Proportional to 31,307.42, 43,203.56 and 17,159.96

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Solution

The fourth proportional to 31,307.42, 43,203.56 and 17,159.96 is: 23,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.42 : 43,203.56 = 17,159.96 : x
  2. Step 2: Convert to fraction form
    31,307.42/43,203.56 = 17,159.96/x
  3. Step 3: Cross multiply
    31,307.42x = 43,203.56 × 17,159.96
  4. Step 4: Simplify right side
    31,307.42x = 741,371,361.46
  5. Step 5: Solve for x
    x = 741,371,361.46/31,307.42
  6. Step 6: Final answer
    x = 23,680.37

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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.