Home / 36,019.04-49,708.78-20,106.60

Finding the Fourth Proportional to 36,019.04, 49,708.78 and 20,106.60

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Solution

The fourth proportional to 36,019.04, 49,708.78 and 20,106.60 is: 27,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.04 : 49,708.78 = 20,106.60 : x
  2. Step 2: Convert to fraction form
    36,019.04/49,708.78 = 20,106.60/x
  3. Step 3: Cross multiply
    36,019.04x = 49,708.78 × 20,106.60
  4. Step 4: Simplify right side
    36,019.04x = 999,474,555.95
  5. Step 5: Solve for x
    x = 999,474,555.95/36,019.04
  6. Step 6: Final answer
    x = 27,748.51

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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.