Home / 46,438.78-69,658.20-16,856.56

Finding the Fourth Proportional to 46,438.78, 69,658.20 and 16,856.56

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Solution

The fourth proportional to 46,438.78, 69,658.20 and 16,856.56 is: 25,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,438.78 : 69,658.20 = 16,856.56 : x
  2. Step 2: Convert to fraction form
    46,438.78/69,658.20 = 16,856.56/x
  3. Step 3: Cross multiply
    46,438.78x = 69,658.20 × 16,856.56
  4. Step 4: Simplify right side
    46,438.78x = 1,174,197,627.79
  5. Step 5: Solve for x
    x = 1,174,197,627.79/46,438.78
  6. Step 6: Final answer
    x = 25,284.85

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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.