Home / 54,619.80-81,915.12-33,690.30

Finding the Fourth Proportional to 54,619.80, 81,915.12 and 33,690.30

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Solution

The fourth proportional to 54,619.80, 81,915.12 and 33,690.30 is: 50,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.80 : 81,915.12 = 33,690.30 : x
  2. Step 2: Convert to fraction form
    54,619.80/81,915.12 = 33,690.30/x
  3. Step 3: Cross multiply
    54,619.80x = 81,915.12 × 33,690.30
  4. Step 4: Simplify right side
    54,619.80x = 2,759,744,967.34
  5. Step 5: Solve for x
    x = 2,759,744,967.34/54,619.80
  6. Step 6: Final answer
    x = 50,526.46

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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.