Home / 34,368.75-51,523.70-15,642.09

Finding the Fourth Proportional to 34,368.75, 51,523.70 and 15,642.09

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Solution

The fourth proportional to 34,368.75, 51,523.70 and 15,642.09 is: 23,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368.75 : 51,523.70 = 15,642.09 : x
  2. Step 2: Convert to fraction form
    34,368.75/51,523.70 = 15,642.09/x
  3. Step 3: Cross multiply
    34,368.75x = 51,523.70 × 15,642.09
  4. Step 4: Simplify right side
    34,368.75x = 805,938,391.64
  5. Step 5: Solve for x
    x = 805,938,391.64/34,368.75
  6. Step 6: Final answer
    x = 23,449.74

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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.