Home / 39,955.02-55,137.42-22,959.06

Finding the Fourth Proportional to 39,955.02, 55,137.42 and 22,959.06

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Solution

The fourth proportional to 39,955.02, 55,137.42 and 22,959.06 is: 31,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.02 : 55,137.42 = 22,959.06 : x
  2. Step 2: Convert to fraction form
    39,955.02/55,137.42 = 22,959.06/x
  3. Step 3: Cross multiply
    39,955.02x = 55,137.42 × 22,959.06
  4. Step 4: Simplify right side
    39,955.02x = 1,265,903,334.03
  5. Step 5: Solve for x
    x = 1,265,903,334.03/39,955.02
  6. Step 6: Final answer
    x = 31,683.21

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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.