Home / 36,279.64-50,070.80-20,364.96

Finding the Fourth Proportional to 36,279.64, 50,070.80 and 20,364.96

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Solution

The fourth proportional to 36,279.64, 50,070.80 and 20,364.96 is: 28,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.64 : 50,070.80 = 20,364.96 : x
  2. Step 2: Convert to fraction form
    36,279.64/50,070.80 = 20,364.96/x
  3. Step 3: Cross multiply
    36,279.64x = 50,070.80 × 20,364.96
  4. Step 4: Simplify right side
    36,279.64x = 1,019,689,839.17
  5. Step 5: Solve for x
    x = 1,019,689,839.17/36,279.64
  6. Step 6: Final answer
    x = 28,106.39

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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.