Home / 31,455.55-47,104.44-18,797.51

Finding the Fourth Proportional to 31,455.55, 47,104.44 and 18,797.51

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Solution

The fourth proportional to 31,455.55, 47,104.44 and 18,797.51 is: 28,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.55 : 47,104.44 = 18,797.51 : x
  2. Step 2: Convert to fraction form
    31,455.55/47,104.44 = 18,797.51/x
  3. Step 3: Cross multiply
    31,455.55x = 47,104.44 × 18,797.51
  4. Step 4: Simplify right side
    31,455.55x = 885,446,229.21
  5. Step 5: Solve for x
    x = 885,446,229.21/31,455.55
  6. Step 6: Final answer
    x = 28,149.12

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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.