Home / 36,018.84-49,706.06-20,103.29

Finding the Fourth Proportional to 36,018.84, 49,706.06 and 20,103.29

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Solution

The fourth proportional to 36,018.84, 49,706.06 and 20,103.29 is: 27,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.84 : 49,706.06 = 20,103.29 : x
  2. Step 2: Convert to fraction form
    36,018.84/49,706.06 = 20,103.29/x
  3. Step 3: Cross multiply
    36,018.84x = 49,706.06 × 20,103.29
  4. Step 4: Simplify right side
    36,018.84x = 999,255,338.94
  5. Step 5: Solve for x
    x = 999,255,338.94/36,018.84
  6. Step 6: Final answer
    x = 27,742.57

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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.