Home / 54,181.50-81,287.20-22,606.40

Finding the Fourth Proportional to 54,181.50, 81,287.20 and 22,606.40

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Solution

The fourth proportional to 54,181.50, 81,287.20 and 22,606.40 is: 33,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,181.50 : 81,287.20 = 22,606.40 : x
  2. Step 2: Convert to fraction form
    54,181.50/81,287.20 = 22,606.40/x
  3. Step 3: Cross multiply
    54,181.50x = 81,287.20 × 22,606.40
  4. Step 4: Simplify right side
    54,181.50x = 1,837,611,319.76
  5. Step 5: Solve for x
    x = 1,837,611,319.76/54,181.50
  6. Step 6: Final answer
    x = 33,915.84

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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.