Home / 47,030.85-70,544.40-11,971.41

Finding the Fourth Proportional to 47,030.85, 70,544.40 and 11,971.41

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Solution

The fourth proportional to 47,030.85, 70,544.40 and 11,971.41 is: 17,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.85 : 70,544.40 = 11,971.41 : x
  2. Step 2: Convert to fraction form
    47,030.85/70,544.40 = 11,971.41/x
  3. Step 3: Cross multiply
    47,030.85x = 70,544.40 × 11,971.41
  4. Step 4: Simplify right side
    47,030.85x = 844,515,935.60
  5. Step 5: Solve for x
    x = 844,515,935.60/47,030.85
  6. Step 6: Final answer
    x = 17,956.64

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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.