Home / 39,775.12-59,636.34-15,743.50

Finding the Fourth Proportional to 39,775.12, 59,636.34 and 15,743.50

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Solution

The fourth proportional to 39,775.12, 59,636.34 and 15,743.50 is: 23,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.12 : 59,636.34 = 15,743.50 : x
  2. Step 2: Convert to fraction form
    39,775.12/59,636.34 = 15,743.50/x
  3. Step 3: Cross multiply
    39,775.12x = 59,636.34 × 15,743.50
  4. Step 4: Simplify right side
    39,775.12x = 938,884,569.70
  5. Step 5: Solve for x
    x = 938,884,569.70/39,775.12
  6. Step 6: Final answer
    x = 23,604.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.