Home / 31,403.42-43,336.90-17,063.37

Finding the Fourth Proportional to 31,403.42, 43,336.90 and 17,063.37

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Solution

The fourth proportional to 31,403.42, 43,336.90 and 17,063.37 is: 23,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.42 : 43,336.90 = 17,063.37 : x
  2. Step 2: Convert to fraction form
    31,403.42/43,336.90 = 17,063.37/x
  3. Step 3: Cross multiply
    31,403.42x = 43,336.90 × 17,063.37
  4. Step 4: Simplify right side
    31,403.42x = 739,473,559.35
  5. Step 5: Solve for x
    x = 739,473,559.35/31,403.42
  6. Step 6: Final answer
    x = 23,547.55

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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.