Home / 36,748.80-50,709.12-20,830.08

Finding the Fourth Proportional to 36,748.80, 50,709.12 and 20,830.08

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Solution

The fourth proportional to 36,748.80, 50,709.12 and 20,830.08 is: 28,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,748.80 : 50,709.12 = 20,830.08 : x
  2. Step 2: Convert to fraction form
    36,748.80/50,709.12 = 20,830.08/x
  3. Step 3: Cross multiply
    36,748.80x = 50,709.12 × 20,830.08
  4. Step 4: Simplify right side
    36,748.80x = 1,056,275,026.33
  5. Step 5: Solve for x
    x = 1,056,275,026.33/36,748.80
  6. Step 6: Final answer
    x = 28,743.12

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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.