Home / 31,029.09-46,461.02-21,187.59

Finding the Fourth Proportional to 31,029.09, 46,461.02 and 21,187.59

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Solution

The fourth proportional to 31,029.09, 46,461.02 and 21,187.59 is: 31,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.09 : 46,461.02 = 21,187.59 : x
  2. Step 2: Convert to fraction form
    31,029.09/46,461.02 = 21,187.59/x
  3. Step 3: Cross multiply
    31,029.09x = 46,461.02 × 21,187.59
  4. Step 4: Simplify right side
    31,029.09x = 984,396,936.80
  5. Step 5: Solve for x
    x = 984,396,936.80/31,029.09
  6. Step 6: Final answer
    x = 31,724.97

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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.