Home / 29,030.32-43,542.78-7,969.60

Finding the Fourth Proportional to 29,030.32, 43,542.78 and 7,969.60

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Solution

The fourth proportional to 29,030.32, 43,542.78 and 7,969.60 is: 11,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,030.32 : 43,542.78 = 7,969.60 : x
  2. Step 2: Convert to fraction form
    29,030.32/43,542.78 = 7,969.60/x
  3. Step 3: Cross multiply
    29,030.32x = 43,542.78 × 7,969.60
  4. Step 4: Simplify right side
    29,030.32x = 347,018,539.49
  5. Step 5: Solve for x
    x = 347,018,539.49/29,030.32
  6. Step 6: Final answer
    x = 11,953.66

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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.