Home / 52,032.26-78,048.59-12,589.31

Finding the Fourth Proportional to 52,032.26, 78,048.59 and 12,589.31

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Solution

The fourth proportional to 52,032.26, 78,048.59 and 12,589.31 is: 18,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,032.26 : 78,048.59 = 12,589.31 : x
  2. Step 2: Convert to fraction form
    52,032.26/78,048.59 = 12,589.31/x
  3. Step 3: Cross multiply
    52,032.26x = 78,048.59 × 12,589.31
  4. Step 4: Simplify right side
    52,032.26x = 982,577,894.57
  5. Step 5: Solve for x
    x = 982,577,894.57/52,032.26
  6. Step 6: Final answer
    x = 18,884.01

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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.