Home / 47,306.37-70,958.01-19,218.12

Finding the Fourth Proportional to 47,306.37, 70,958.01 and 19,218.12

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Solution

The fourth proportional to 47,306.37, 70,958.01 and 19,218.12 is: 28,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,306.37 : 70,958.01 = 19,218.12 : x
  2. Step 2: Convert to fraction form
    47,306.37/70,958.01 = 19,218.12/x
  3. Step 3: Cross multiply
    47,306.37x = 70,958.01 × 19,218.12
  4. Step 4: Simplify right side
    47,306.37x = 1,363,679,551.14
  5. Step 5: Solve for x
    x = 1,363,679,551.14/47,306.37
  6. Step 6: Final answer
    x = 28,826.55

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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.