Home / 50,642.64-75,967.20-19,477.89

Finding the Fourth Proportional to 50,642.64, 75,967.20 and 19,477.89

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Solution

The fourth proportional to 50,642.64, 75,967.20 and 19,477.89 is: 29,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.64 : 75,967.20 = 19,477.89 : x
  2. Step 2: Convert to fraction form
    50,642.64/75,967.20 = 19,477.89/x
  3. Step 3: Cross multiply
    50,642.64x = 75,967.20 × 19,477.89
  4. Step 4: Simplify right side
    50,642.64x = 1,479,680,765.21
  5. Step 5: Solve for x
    x = 1,479,680,765.21/50,642.64
  6. Step 6: Final answer
    x = 29,218.08

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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.