Home / 47,616.64-71,435.52-14,339.20

Finding the Fourth Proportional to 47,616.64, 71,435.52 and 14,339.20

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Solution

The fourth proportional to 47,616.64, 71,435.52 and 14,339.20 is: 21,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.64 : 71,435.52 = 14,339.20 : x
  2. Step 2: Convert to fraction form
    47,616.64/71,435.52 = 14,339.20/x
  3. Step 3: Cross multiply
    47,616.64x = 71,435.52 × 14,339.20
  4. Step 4: Simplify right side
    47,616.64x = 1,024,328,208.38
  5. Step 5: Solve for x
    x = 1,024,328,208.38/47,616.64
  6. Step 6: Final answer
    x = 21,511.98

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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.