Home / 46,122.09-69,181.93-12,840.81

Finding the Fourth Proportional to 46,122.09, 69,181.93 and 12,840.81

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Solution

The fourth proportional to 46,122.09, 69,181.93 and 12,840.81 is: 19,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,122.09 : 69,181.93 = 12,840.81 : x
  2. Step 2: Convert to fraction form
    46,122.09/69,181.93 = 12,840.81/x
  3. Step 3: Cross multiply
    46,122.09x = 69,181.93 × 12,840.81
  4. Step 4: Simplify right side
    46,122.09x = 888,352,221.82
  5. Step 5: Solve for x
    x = 888,352,221.82/46,122.09
  6. Step 6: Final answer
    x = 19,260.88

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1.5x scale

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.