Home / 47,630.91-65,709.45-30,632.01

Finding the Fourth Proportional to 47,630.91, 65,709.45 and 30,632.01

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Solution

The fourth proportional to 47,630.91, 65,709.45 and 30,632.01 is: 42,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,630.91 : 65,709.45 = 30,632.01 : x
  2. Step 2: Convert to fraction form
    47,630.91/65,709.45 = 30,632.01/x
  3. Step 3: Cross multiply
    47,630.91x = 65,709.45 × 30,632.01
  4. Step 4: Simplify right side
    47,630.91x = 2,012,812,529.49
  5. Step 5: Solve for x
    x = 2,012,812,529.49/47,630.91
  6. Step 6: Final answer
    x = 42,258.54

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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.