Home / 50,304.79-75,459.71-19,142.47

Finding the Fourth Proportional to 50,304.79, 75,459.71 and 19,142.47

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Solution

The fourth proportional to 50,304.79, 75,459.71 and 19,142.47 is: 28,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,304.79 : 75,459.71 = 19,142.47 : x
  2. Step 2: Convert to fraction form
    50,304.79/75,459.71 = 19,142.47/x
  3. Step 3: Cross multiply
    50,304.79x = 75,459.71 × 19,142.47
  4. Step 4: Simplify right side
    50,304.79x = 1,444,485,234.88
  5. Step 5: Solve for x
    x = 1,444,485,234.88/50,304.79
  6. Step 6: Final answer
    x = 28,714.67

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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.