Home / 34,883.77-48,162.20-21,981.67

Finding the Fourth Proportional to 34,883.77, 48,162.20 and 21,981.67

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Solution

The fourth proportional to 34,883.77, 48,162.20 and 21,981.67 is: 30,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,883.77 : 48,162.20 = 21,981.67 : x
  2. Step 2: Convert to fraction form
    34,883.77/48,162.20 = 21,981.67/x
  3. Step 3: Cross multiply
    34,883.77x = 48,162.20 × 21,981.67
  4. Step 4: Simplify right side
    34,883.77x = 1,058,685,356.56
  5. Step 5: Solve for x
    x = 1,058,685,356.56/34,883.77
  6. Step 6: Final answer
    x = 30,348.94

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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.