Home / 50,849.04-70,171.44-28,189.20

Finding the Fourth Proportional to 50,849.04, 70,171.44 and 28,189.20

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Solution

The fourth proportional to 50,849.04, 70,171.44 and 28,189.20 is: 38,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,849.04 : 70,171.44 = 28,189.20 : x
  2. Step 2: Convert to fraction form
    50,849.04/70,171.44 = 28,189.20/x
  3. Step 3: Cross multiply
    50,849.04x = 70,171.44 × 28,189.20
  4. Step 4: Simplify right side
    50,849.04x = 1,978,076,756.45
  5. Step 5: Solve for x
    x = 1,978,076,756.45/50,849.04
  6. Step 6: Final answer
    x = 38,900.97

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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.