Home / 33,778.56-46,631.04-21,210.24

Finding the Fourth Proportional to 33,778.56, 46,631.04 and 21,210.24

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Solution

The fourth proportional to 33,778.56, 46,631.04 and 21,210.24 is: 29,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,778.56 : 46,631.04 = 21,210.24 : x
  2. Step 2: Convert to fraction form
    33,778.56/46,631.04 = 21,210.24/x
  3. Step 3: Cross multiply
    33,778.56x = 46,631.04 × 21,210.24
  4. Step 4: Simplify right side
    33,778.56x = 989,055,549.85
  5. Step 5: Solve for x
    x = 989,055,549.85/33,778.56
  6. Step 6: Final answer
    x = 29,280.57

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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.