Home / 52,617.64-78,917.94-19,329.52

Finding the Fourth Proportional to 52,617.64, 78,917.94 and 19,329.52

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Solution

The fourth proportional to 52,617.64, 78,917.94 and 19,329.52 is: 28,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,617.64 : 78,917.94 = 19,329.52 : x
  2. Step 2: Convert to fraction form
    52,617.64/78,917.94 = 19,329.52/x
  3. Step 3: Cross multiply
    52,617.64x = 78,917.94 × 19,329.52
  4. Step 4: Simplify right side
    52,617.64x = 1,525,445,899.59
  5. Step 5: Solve for x
    x = 1,525,445,899.59/52,617.64
  6. Step 6: Final answer
    x = 28,991.15

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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.