Home / 46,922.68-70,388.60-13,643

Finding the Fourth Proportional to 46,922.68, 70,388.60 and 13,643

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Solution

The fourth proportional to 46,922.68, 70,388.60 and 13,643 is: 20,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,922.68 : 70,388.60 = 13,643 : x
  2. Step 2: Convert to fraction form
    46,922.68/70,388.60 = 13,643/x
  3. Step 3: Cross multiply
    46,922.68x = 70,388.60 × 13,643
  4. Step 4: Simplify right side
    46,922.68x = 960,311,669.80
  5. Step 5: Solve for x
    x = 960,311,669.80/46,922.68
  6. Step 6: Final answer
    x = 20,465.83

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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.