Home / 34,756.75-47,966.39-19,650.81

Finding the Fourth Proportional to 34,756.75, 47,966.39 and 19,650.81

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Solution

The fourth proportional to 34,756.75, 47,966.39 and 19,650.81 is: 27,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.75 : 47,966.39 = 19,650.81 : x
  2. Step 2: Convert to fraction form
    34,756.75/47,966.39 = 19,650.81/x
  3. Step 3: Cross multiply
    34,756.75x = 47,966.39 × 19,650.81
  4. Step 4: Simplify right side
    34,756.75x = 942,578,416.28
  5. Step 5: Solve for x
    x = 942,578,416.28/34,756.75
  6. Step 6: Final answer
    x = 27,119.29

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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.