Home / 33,485.78-46,210.85-18,378.16

Finding the Fourth Proportional to 33,485.78, 46,210.85 and 18,378.16

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Solution

The fourth proportional to 33,485.78, 46,210.85 and 18,378.16 is: 25,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.78 : 46,210.85 = 18,378.16 : x
  2. Step 2: Convert to fraction form
    33,485.78/46,210.85 = 18,378.16/x
  3. Step 3: Cross multiply
    33,485.78x = 46,210.85 × 18,378.16
  4. Step 4: Simplify right side
    33,485.78x = 849,270,429.83
  5. Step 5: Solve for x
    x = 849,270,429.83/33,485.78
  6. Step 6: Final answer
    x = 25,362.13

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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.