Home / 40,116.59-55,361.73-21,968.08

Finding the Fourth Proportional to 40,116.59, 55,361.73 and 21,968.08

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Solution

The fourth proportional to 40,116.59, 55,361.73 and 21,968.08 is: 30,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.59 : 55,361.73 = 21,968.08 : x
  2. Step 2: Convert to fraction form
    40,116.59/55,361.73 = 21,968.08/x
  3. Step 3: Cross multiply
    40,116.59x = 55,361.73 × 21,968.08
  4. Step 4: Simplify right side
    40,116.59x = 1,216,190,913.58
  5. Step 5: Solve for x
    x = 1,216,190,913.58/40,116.59
  6. Step 6: Final answer
    x = 30,316.41

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1.5x scale

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.