Home / 31,122.02-46,682.82-18,645.60

Finding the Fourth Proportional to 31,122.02, 46,682.82 and 18,645.60

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Solution

The fourth proportional to 31,122.02, 46,682.82 and 18,645.60 is: 27,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.02 : 46,682.82 = 18,645.60 : x
  2. Step 2: Convert to fraction form
    31,122.02/46,682.82 = 18,645.60/x
  3. Step 3: Cross multiply
    31,122.02x = 46,682.82 × 18,645.60
  4. Step 4: Simplify right side
    31,122.02x = 870,429,188.59
  5. Step 5: Solve for x
    x = 870,429,188.59/31,122.02
  6. Step 6: Final answer
    x = 27,968.27

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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.