Home / 46,314.86-69,468.19-12,579.64

Finding the Fourth Proportional to 46,314.86, 69,468.19 and 12,579.64

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Solution

The fourth proportional to 46,314.86, 69,468.19 and 12,579.64 is: 18,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,314.86 : 69,468.19 = 12,579.64 : x
  2. Step 2: Convert to fraction form
    46,314.86/69,468.19 = 12,579.64/x
  3. Step 3: Cross multiply
    46,314.86x = 69,468.19 × 12,579.64
  4. Step 4: Simplify right side
    46,314.86x = 873,884,616.53
  5. Step 5: Solve for x
    x = 873,884,616.53/46,314.86
  6. Step 6: Final answer
    x = 18,868.34

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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.