Home / 38,620.37-57,931.57-12,325.10

Finding the Fourth Proportional to 38,620.37, 57,931.57 and 12,325.10

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Solution

The fourth proportional to 38,620.37, 57,931.57 and 12,325.10 is: 18,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.37 : 57,931.57 = 12,325.10 : x
  2. Step 2: Convert to fraction form
    38,620.37/57,931.57 = 12,325.10/x
  3. Step 3: Cross multiply
    38,620.37x = 57,931.57 × 12,325.10
  4. Step 4: Simplify right side
    38,620.37x = 714,012,119.16
  5. Step 5: Solve for x
    x = 714,012,119.16/38,620.37
  6. Step 6: Final answer
    x = 18,487.97

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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.