Home / 31,307.96-43,206.04-17,160.80

Finding the Fourth Proportional to 31,307.96, 43,206.04 and 17,160.80

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Solution

The fourth proportional to 31,307.96, 43,206.04 and 17,160.80 is: 23,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.96 : 43,206.04 = 17,160.80 : x
  2. Step 2: Convert to fraction form
    31,307.96/43,206.04 = 17,160.80/x
  3. Step 3: Cross multiply
    31,307.96x = 43,206.04 × 17,160.80
  4. Step 4: Simplify right side
    31,307.96x = 741,450,211.23
  5. Step 5: Solve for x
    x = 741,450,211.23/31,307.96
  6. Step 6: Final answer
    x = 23,682.48

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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.