Home / 30,140.25-41,588.48-20,083.71

Finding the Fourth Proportional to 30,140.25, 41,588.48 and 20,083.71

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Solution

The fourth proportional to 30,140.25, 41,588.48 and 20,083.71 is: 27,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.25 : 41,588.48 = 20,083.71 : x
  2. Step 2: Convert to fraction form
    30,140.25/41,588.48 = 20,083.71/x
  3. Step 3: Cross multiply
    30,140.25x = 41,588.48 × 20,083.71
  4. Step 4: Simplify right side
    30,140.25x = 835,250,763.72
  5. Step 5: Solve for x
    x = 835,250,763.72/30,140.25
  6. Step 6: Final answer
    x = 27,712.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.