Home / 46,912.16-70,329.48-21,939.92

Finding the Fourth Proportional to 46,912.16, 70,329.48 and 21,939.92

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Solution

The fourth proportional to 46,912.16, 70,329.48 and 21,939.92 is: 32,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,912.16 : 70,329.48 = 21,939.92 : x
  2. Step 2: Convert to fraction form
    46,912.16/70,329.48 = 21,939.92/x
  3. Step 3: Cross multiply
    46,912.16x = 70,329.48 × 21,939.92
  4. Step 4: Simplify right side
    46,912.16x = 1,543,023,164.84
  5. Step 5: Solve for x
    x = 1,543,023,164.84/46,912.16
  6. Step 6: Final answer
    x = 32,891.75

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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.