Home / 31,157.52-46,726.21-13,383.42

Finding the Fourth Proportional to 31,157.52, 46,726.21 and 13,383.42

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Solution

The fourth proportional to 31,157.52, 46,726.21 and 13,383.42 is: 20,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.52 : 46,726.21 = 13,383.42 : x
  2. Step 2: Convert to fraction form
    31,157.52/46,726.21 = 13,383.42/x
  3. Step 3: Cross multiply
    31,157.52x = 46,726.21 × 13,383.42
  4. Step 4: Simplify right side
    31,157.52x = 625,356,493.44
  5. Step 5: Solve for x
    x = 625,356,493.44/31,157.52
  6. Step 6: Final answer
    x = 20,070.80

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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.