Home / 33,420.57-46,119.66-18,312.91

Finding the Fourth Proportional to 33,420.57, 46,119.66 and 18,312.91

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Solution

The fourth proportional to 33,420.57, 46,119.66 and 18,312.91 is: 25,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.57 : 46,119.66 = 18,312.91 : x
  2. Step 2: Convert to fraction form
    33,420.57/46,119.66 = 18,312.91/x
  3. Step 3: Cross multiply
    33,420.57x = 46,119.66 × 18,312.91
  4. Step 4: Simplify right side
    33,420.57x = 844,584,998.84
  5. Step 5: Solve for x
    x = 844,584,998.84/33,420.57
  6. Step 6: Final answer
    x = 25,271.41

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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.