Home / 31,573.44-47,344.80-18,430.08

Finding the Fourth Proportional to 31,573.44, 47,344.80 and 18,430.08

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Solution

The fourth proportional to 31,573.44, 47,344.80 and 18,430.08 is: 27,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,573.44 : 47,344.80 = 18,430.08 : x
  2. Step 2: Convert to fraction form
    31,573.44/47,344.80 = 18,430.08/x
  3. Step 3: Cross multiply
    31,573.44x = 47,344.80 × 18,430.08
  4. Step 4: Simplify right side
    31,573.44x = 872,568,451.58
  5. Step 5: Solve for x
    x = 872,568,451.58/31,573.44
  6. Step 6: Final answer
    x = 27,636.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.