Home / 36,036.64-49,733.03-20,120.76

Finding the Fourth Proportional to 36,036.64, 49,733.03 and 20,120.76

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Solution

The fourth proportional to 36,036.64, 49,733.03 and 20,120.76 is: 27,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.64 : 49,733.03 = 20,120.76 : x
  2. Step 2: Convert to fraction form
    36,036.64/49,733.03 = 20,120.76/x
  3. Step 3: Cross multiply
    36,036.64x = 49,733.03 × 20,120.76
  4. Step 4: Simplify right side
    36,036.64x = 1,000,666,360.70
  5. Step 5: Solve for x
    x = 1,000,666,360.70/36,036.64
  6. Step 6: Final answer
    x = 27,768.03

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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.