Home / 54,711.32-82,103.89-21,427.23

Finding the Fourth Proportional to 54,711.32, 82,103.89 and 21,427.23

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Solution

The fourth proportional to 54,711.32, 82,103.89 and 21,427.23 is: 32,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.32 : 82,103.89 = 21,427.23 : x
  2. Step 2: Convert to fraction form
    54,711.32/82,103.89 = 21,427.23/x
  3. Step 3: Cross multiply
    54,711.32x = 82,103.89 × 21,427.23
  4. Step 4: Simplify right side
    54,711.32x = 1,759,258,934.92
  5. Step 5: Solve for x
    x = 1,759,258,934.92/54,711.32
  6. Step 6: Final answer
    x = 32,155.30

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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.