Home / 34,639.92-47,803.29-18,724.32

Finding the Fourth Proportional to 34,639.92, 47,803.29 and 18,724.32

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Solution

The fourth proportional to 34,639.92, 47,803.29 and 18,724.32 is: 25,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.92 : 47,803.29 = 18,724.32 : x
  2. Step 2: Convert to fraction form
    34,639.92/47,803.29 = 18,724.32/x
  3. Step 3: Cross multiply
    34,639.92x = 47,803.29 × 18,724.32
  4. Step 4: Simplify right side
    34,639.92x = 895,084,099.01
  5. Step 5: Solve for x
    x = 895,084,099.01/34,639.92
  6. Step 6: Final answer
    x = 25,839.67

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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.