Home / 66,918.80-100,362-22,534.04

Finding the Fourth Proportional to 66,918.80, 100,362 and 22,534.04

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Solution

The fourth proportional to 66,918.80, 100,362 and 22,534.04 is: 33,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.80 : 100,362 = 22,534.04 : x
  2. Step 2: Convert to fraction form
    66,918.80/100,362 = 22,534.04/x
  3. Step 3: Cross multiply
    66,918.80x = 100,362 × 22,534.04
  4. Step 4: Simplify right side
    66,918.80x = 2,261,561,322.48
  5. Step 5: Solve for x
    x = 2,261,561,322.48/66,918.80
  6. Step 6: Final answer
    x = 33,795.60

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1.5x scale

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.