Home / 31,368.45-43,269.44-18,613.23

Finding the Fourth Proportional to 31,368.45, 43,269.44 and 18,613.23

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Solution

The fourth proportional to 31,368.45, 43,269.44 and 18,613.23 is: 25,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.45 : 43,269.44 = 18,613.23 : x
  2. Step 2: Convert to fraction form
    31,368.45/43,269.44 = 18,613.23/x
  3. Step 3: Cross multiply
    31,368.45x = 43,269.44 × 18,613.23
  4. Step 4: Simplify right side
    31,368.45x = 805,383,888.06
  5. Step 5: Solve for x
    x = 805,383,888.06/31,368.45
  6. Step 6: Final answer
    x = 25,674.97

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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.