Home / 31,243.19-43,070.74-22,275.11

Finding the Fourth Proportional to 31,243.19, 43,070.74 and 22,275.11

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Solution

The fourth proportional to 31,243.19, 43,070.74 and 22,275.11 is: 30,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.19 : 43,070.74 = 22,275.11 : x
  2. Step 2: Convert to fraction form
    31,243.19/43,070.74 = 22,275.11/x
  3. Step 3: Cross multiply
    31,243.19x = 43,070.74 × 22,275.11
  4. Step 4: Simplify right side
    31,243.19x = 959,405,523.27
  5. Step 5: Solve for x
    x = 959,405,523.27/31,243.19
  6. Step 6: Final answer
    x = 30,707.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.