Home / 37,845.60-56,768.40-10,143.60

Finding the Fourth Proportional to 37,845.60, 56,768.40 and 10,143.60

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Solution

The fourth proportional to 37,845.60, 56,768.40 and 10,143.60 is: 15,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,845.60 : 56,768.40 = 10,143.60 : x
  2. Step 2: Convert to fraction form
    37,845.60/56,768.40 = 10,143.60/x
  3. Step 3: Cross multiply
    37,845.60x = 56,768.40 × 10,143.60
  4. Step 4: Simplify right side
    37,845.60x = 575,835,942.24
  5. Step 5: Solve for x
    x = 575,835,942.24/37,845.60
  6. Step 6: Final answer
    x = 15,215.40

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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.