Home / 34,166.13-47,153.39-20,018.99

Finding the Fourth Proportional to 34,166.13, 47,153.39 and 20,018.99

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Solution

The fourth proportional to 34,166.13, 47,153.39 and 20,018.99 is: 27,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.13 : 47,153.39 = 20,018.99 : x
  2. Step 2: Convert to fraction form
    34,166.13/47,153.39 = 20,018.99/x
  3. Step 3: Cross multiply
    34,166.13x = 47,153.39 × 20,018.99
  4. Step 4: Simplify right side
    34,166.13x = 943,962,907.01
  5. Step 5: Solve for x
    x = 943,962,907.01/34,166.13
  6. Step 6: Final answer
    x = 27,628.62

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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.