Home / 31,028.59-46,460.26-21,187.09

Finding the Fourth Proportional to 31,028.59, 46,460.26 and 21,187.09

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Solution

The fourth proportional to 31,028.59, 46,460.26 and 21,187.09 is: 31,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,028.59 : 46,460.26 = 21,187.09 : x
  2. Step 2: Convert to fraction form
    31,028.59/46,460.26 = 21,187.09/x
  3. Step 3: Cross multiply
    31,028.59x = 46,460.26 × 21,187.09
  4. Step 4: Simplify right side
    31,028.59x = 984,357,710.04
  5. Step 5: Solve for x
    x = 984,357,710.04/31,028.59
  6. Step 6: Final answer
    x = 31,724.22

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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.