Home / 46,214.30-69,321.47-12,939.27

Finding the Fourth Proportional to 46,214.30, 69,321.47 and 12,939.27

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Solution

The fourth proportional to 46,214.30, 69,321.47 and 12,939.27 is: 19,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,214.30 : 69,321.47 = 12,939.27 : x
  2. Step 2: Convert to fraction form
    46,214.30/69,321.47 = 12,939.27/x
  3. Step 3: Cross multiply
    46,214.30x = 69,321.47 × 12,939.27
  4. Step 4: Simplify right side
    46,214.30x = 896,969,152.43
  5. Step 5: Solve for x
    x = 896,969,152.43/46,214.30
  6. Step 6: Final answer
    x = 19,408.91

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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.