Home / 33,810.87-46,643.28-21,878.06

Finding the Fourth Proportional to 33,810.87, 46,643.28 and 21,878.06

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Solution

The fourth proportional to 33,810.87, 46,643.28 and 21,878.06 is: 30,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,810.87 : 46,643.28 = 21,878.06 : x
  2. Step 2: Convert to fraction form
    33,810.87/46,643.28 = 21,878.06/x
  3. Step 3: Cross multiply
    33,810.87x = 46,643.28 × 21,878.06
  4. Step 4: Simplify right side
    33,810.87x = 1,020,464,478.44
  5. Step 5: Solve for x
    x = 1,020,464,478.44/33,810.87
  6. Step 6: Final answer
    x = 30,181.55

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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.