Home / 33,419.80-46,119.78-18,312.16

Finding the Fourth Proportional to 33,419.80, 46,119.78 and 18,312.16

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Solution

The fourth proportional to 33,419.80, 46,119.78 and 18,312.16 is: 25,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.80 : 46,119.78 = 18,312.16 : x
  2. Step 2: Convert to fraction form
    33,419.80/46,119.78 = 18,312.16/x
  3. Step 3: Cross multiply
    33,419.80x = 46,119.78 × 18,312.16
  4. Step 4: Simplify right side
    33,419.80x = 844,552,790.52
  5. Step 5: Solve for x
    x = 844,552,790.52/33,419.80
  6. Step 6: Final answer
    x = 25,271.03

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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.