Home / 30,083.87-41,502.70-18,140.57

Finding the Fourth Proportional to 30,083.87, 41,502.70 and 18,140.57

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Solution

The fourth proportional to 30,083.87, 41,502.70 and 18,140.57 is: 25,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.87 : 41,502.70 = 18,140.57 : x
  2. Step 2: Convert to fraction form
    30,083.87/41,502.70 = 18,140.57/x
  3. Step 3: Cross multiply
    30,083.87x = 41,502.70 × 18,140.57
  4. Step 4: Simplify right side
    30,083.87x = 752,882,605.34
  5. Step 5: Solve for x
    x = 752,882,605.34/30,083.87
  6. Step 6: Final answer
    x = 25,026.12

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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.