Home / 54,912.60-82,368.18-13,359.64

Finding the Fourth Proportional to 54,912.60, 82,368.18 and 13,359.64

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Solution

The fourth proportional to 54,912.60, 82,368.18 and 13,359.64 is: 20,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,912.60 : 82,368.18 = 13,359.64 : x
  2. Step 2: Convert to fraction form
    54,912.60/82,368.18 = 13,359.64/x
  3. Step 3: Cross multiply
    54,912.60x = 82,368.18 × 13,359.64
  4. Step 4: Simplify right side
    54,912.60x = 1,100,409,232.26
  5. Step 5: Solve for x
    x = 1,100,409,232.26/54,912.60
  6. Step 6: Final answer
    x = 20,039.28

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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.