Home / 30,185.15-41,626.51-18,083.72

Finding the Fourth Proportional to 30,185.15, 41,626.51 and 18,083.72

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Solution

The fourth proportional to 30,185.15, 41,626.51 and 18,083.72 is: 24,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.15 : 41,626.51 = 18,083.72 : x
  2. Step 2: Convert to fraction form
    30,185.15/41,626.51 = 18,083.72/x
  3. Step 3: Cross multiply
    30,185.15x = 41,626.51 × 18,083.72
  4. Step 4: Simplify right side
    30,185.15x = 752,762,210.27
  5. Step 5: Solve for x
    x = 752,762,210.27/30,185.15
  6. Step 6: Final answer
    x = 24,938.17

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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.