Home / 33,621.75-46,382.45-21,688.94

Finding the Fourth Proportional to 33,621.75, 46,382.45 and 21,688.94

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Solution

The fourth proportional to 33,621.75, 46,382.45 and 21,688.94 is: 29,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.75 : 46,382.45 = 21,688.94 : x
  2. Step 2: Convert to fraction form
    33,621.75/46,382.45 = 21,688.94/x
  3. Step 3: Cross multiply
    33,621.75x = 46,382.45 × 21,688.94
  4. Step 4: Simplify right side
    33,621.75x = 1,005,985,834.75
  5. Step 5: Solve for x
    x = 1,005,985,834.75/33,621.75
  6. Step 6: Final answer
    x = 29,920.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.