Home / 49,401.03-74,048.45-21,334.35

Finding the Fourth Proportional to 49,401.03, 74,048.45 and 21,334.35

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Solution

The fourth proportional to 49,401.03, 74,048.45 and 21,334.35 is: 31,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.03 : 74,048.45 = 21,334.35 : x
  2. Step 2: Convert to fraction form
    49,401.03/74,048.45 = 21,334.35/x
  3. Step 3: Cross multiply
    49,401.03x = 74,048.45 × 21,334.35
  4. Step 4: Simplify right side
    49,401.03x = 1,579,775,442.59
  5. Step 5: Solve for x
    x = 1,579,775,442.59/49,401.03
  6. Step 6: Final answer
    x = 31,978.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.