Home / 36,693.39-50,638.63-20,777.50

Finding the Fourth Proportional to 36,693.39, 50,638.63 and 20,777.50

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Solution

The fourth proportional to 36,693.39, 50,638.63 and 20,777.50 is: 28,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.39 : 50,638.63 = 20,777.50 : x
  2. Step 2: Convert to fraction form
    36,693.39/50,638.63 = 20,777.50/x
  3. Step 3: Cross multiply
    36,693.39x = 50,638.63 × 20,777.50
  4. Step 4: Simplify right side
    36,693.39x = 1,052,144,134.83
  5. Step 5: Solve for x
    x = 1,052,144,134.83/36,693.39
  6. Step 6: Final answer
    x = 28,673.94

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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.