Home / 34,722.56-47,920.07-19,617.99

Finding the Fourth Proportional to 34,722.56, 47,920.07 and 19,617.99

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Solution

The fourth proportional to 34,722.56, 47,920.07 and 19,617.99 is: 27,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.56 : 47,920.07 = 19,617.99 : x
  2. Step 2: Convert to fraction form
    34,722.56/47,920.07 = 19,617.99/x
  3. Step 3: Cross multiply
    34,722.56x = 47,920.07 × 19,617.99
  4. Step 4: Simplify right side
    34,722.56x = 940,095,503.10
  5. Step 5: Solve for x
    x = 940,095,503.10/34,722.56
  6. Step 6: Final answer
    x = 27,074.49

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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.