Home / 39,955.24-55,138.76-22,051

Finding the Fourth Proportional to 39,955.24, 55,138.76 and 22,051

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Solution

The fourth proportional to 39,955.24, 55,138.76 and 22,051 is: 30,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.24 : 55,138.76 = 22,051 : x
  2. Step 2: Convert to fraction form
    39,955.24/55,138.76 = 22,051/x
  3. Step 3: Cross multiply
    39,955.24x = 55,138.76 × 22,051
  4. Step 4: Simplify right side
    39,955.24x = 1,215,864,796.76
  5. Step 5: Solve for x
    x = 1,215,864,796.76/39,955.24
  6. Step 6: Final answer
    x = 30,430.67

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Why These Related Problems?

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