Home / 36,725.08-50,678.60-20,809.18

Finding the Fourth Proportional to 36,725.08, 50,678.60 and 20,809.18

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Solution

The fourth proportional to 36,725.08, 50,678.60 and 20,809.18 is: 28,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,725.08 : 50,678.60 = 20,809.18 : x
  2. Step 2: Convert to fraction form
    36,725.08/50,678.60 = 20,809.18/x
  3. Step 3: Cross multiply
    36,725.08x = 50,678.60 × 20,809.18
  4. Step 4: Simplify right side
    36,725.08x = 1,054,580,109.55
  5. Step 5: Solve for x
    x = 1,054,580,109.55/36,725.08
  6. Step 6: Final answer
    x = 28,715.53

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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.