Home / 45,318.12-68,018.67-23,147.03

Finding the Fourth Proportional to 45,318.12, 68,018.67 and 23,147.03

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Solution

The fourth proportional to 45,318.12, 68,018.67 and 23,147.03 is: 34,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.12 : 68,018.67 = 23,147.03 : x
  2. Step 2: Convert to fraction form
    45,318.12/68,018.67 = 23,147.03/x
  3. Step 3: Cross multiply
    45,318.12x = 68,018.67 × 23,147.03
  4. Step 4: Simplify right side
    45,318.12x = 1,574,430,365.10
  5. Step 5: Solve for x
    x = 1,574,430,365.10/45,318.12
  6. Step 6: Final answer
    x = 34,741.74

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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.