Home / 43,818.40-65,698.84-15,724.36

Finding the Fourth Proportional to 43,818.40, 65,698.84 and 15,724.36

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Solution

The fourth proportional to 43,818.40, 65,698.84 and 15,724.36 is: 23,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.40 : 65,698.84 = 15,724.36 : x
  2. Step 2: Convert to fraction form
    43,818.40/65,698.84 = 15,724.36/x
  3. Step 3: Cross multiply
    43,818.40x = 65,698.84 × 15,724.36
  4. Step 4: Simplify right side
    43,818.40x = 1,033,071,804.63
  5. Step 5: Solve for x
    x = 1,033,071,804.63/43,818.40
  6. Step 6: Final answer
    x = 23,576.21

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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.