Home / 47,002.61-70,532.62-20,355.73

Finding the Fourth Proportional to 47,002.61, 70,532.62 and 20,355.73

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Solution

The fourth proportional to 47,002.61, 70,532.62 and 20,355.73 is: 30,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,002.61 : 70,532.62 = 20,355.73 : x
  2. Step 2: Convert to fraction form
    47,002.61/70,532.62 = 20,355.73/x
  3. Step 3: Cross multiply
    47,002.61x = 70,532.62 × 20,355.73
  4. Step 4: Simplify right side
    47,002.61x = 1,435,742,741.69
  5. Step 5: Solve for x
    x = 1,435,742,741.69/47,002.61
  6. Step 6: Final answer
    x = 30,546.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.