Home / 54,915.68-82,373.52-13,362.32

Finding the Fourth Proportional to 54,915.68, 82,373.52 and 13,362.32

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Solution

The fourth proportional to 54,915.68, 82,373.52 and 13,362.32 is: 20,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.68 : 82,373.52 = 13,362.32 : x
  2. Step 2: Convert to fraction form
    54,915.68/82,373.52 = 13,362.32/x
  3. Step 3: Cross multiply
    54,915.68x = 82,373.52 × 13,362.32
  4. Step 4: Simplify right side
    54,915.68x = 1,100,701,333.77
  5. Step 5: Solve for x
    x = 1,100,701,333.77/54,915.68
  6. Step 6: Final answer
    x = 20,043.48

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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.