Home / 47,368.20-71,039.34-17,783.76

Finding the Fourth Proportional to 47,368.20, 71,039.34 and 17,783.76

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Solution

The fourth proportional to 47,368.20, 71,039.34 and 17,783.76 is: 26,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.20 : 71,039.34 = 17,783.76 : x
  2. Step 2: Convert to fraction form
    47,368.20/71,039.34 = 17,783.76/x
  3. Step 3: Cross multiply
    47,368.20x = 71,039.34 × 17,783.76
  4. Step 4: Simplify right side
    47,368.20x = 1,263,346,573.12
  5. Step 5: Solve for x
    x = 1,263,346,573.12/47,368.20
  6. Step 6: Final answer
    x = 26,670.77

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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.