Home / 33,420.52-46,113.11-19,812.85

Finding the Fourth Proportional to 33,420.52, 46,113.11 and 19,812.85

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Solution

The fourth proportional to 33,420.52, 46,113.11 and 19,812.85 is: 27,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.52 : 46,113.11 = 19,812.85 : x
  2. Step 2: Convert to fraction form
    33,420.52/46,113.11 = 19,812.85/x
  3. Step 3: Cross multiply
    33,420.52x = 46,113.11 × 19,812.85
  4. Step 4: Simplify right side
    33,420.52x = 913,632,362.25
  5. Step 5: Solve for x
    x = 913,632,362.25/33,420.52
  6. Step 6: Final answer
    x = 27,337.47

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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.