Home / 39,378.45-54,341.06-22,384.55

Finding the Fourth Proportional to 39,378.45, 54,341.06 and 22,384.55

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Solution

The fourth proportional to 39,378.45, 54,341.06 and 22,384.55 is: 30,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,378.45 : 54,341.06 = 22,384.55 : x
  2. Step 2: Convert to fraction form
    39,378.45/54,341.06 = 22,384.55/x
  3. Step 3: Cross multiply
    39,378.45x = 54,341.06 × 22,384.55
  4. Step 4: Simplify right side
    39,378.45x = 1,216,399,790.99
  5. Step 5: Solve for x
    x = 1,216,399,790.99/39,378.45
  6. Step 6: Final answer
    x = 30,889.99

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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.