Home / 50,270.81-75,406.21-16,990.88

Finding the Fourth Proportional to 50,270.81, 75,406.21 and 16,990.88

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Solution

The fourth proportional to 50,270.81, 75,406.21 and 16,990.88 is: 25,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,270.81 : 75,406.21 = 16,990.88 : x
  2. Step 2: Convert to fraction form
    50,270.81/75,406.21 = 16,990.88/x
  3. Step 3: Cross multiply
    50,270.81x = 75,406.21 × 16,990.88
  4. Step 4: Simplify right side
    50,270.81x = 1,281,217,445.86
  5. Step 5: Solve for x
    x = 1,281,217,445.86/50,270.81
  6. Step 6: Final answer
    x = 25,486.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.