Home / 84,268.98-126,411.03-21,940.02

Finding the Fourth Proportional to 84,268.98, 126,411.03 and 21,940.02

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Solution

The fourth proportional to 84,268.98, 126,411.03 and 21,940.02 is: 32,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,268.98 : 126,411.03 = 21,940.02 : x
  2. Step 2: Convert to fraction form
    84,268.98/126,411.03 = 21,940.02/x
  3. Step 3: Cross multiply
    84,268.98x = 126,411.03 × 21,940.02
  4. Step 4: Simplify right side
    84,268.98x = 2,773,460,526.42
  5. Step 5: Solve for x
    x = 2,773,460,526.42/84,268.98
  6. Step 6: Final answer
    x = 32,912.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.