Home / 54,709.32-82,100.89-21,425.23

Finding the Fourth Proportional to 54,709.32, 82,100.89 and 21,425.23

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Solution

The fourth proportional to 54,709.32, 82,100.89 and 21,425.23 is: 32,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709.32 : 82,100.89 = 21,425.23 : x
  2. Step 2: Convert to fraction form
    54,709.32/82,100.89 = 21,425.23/x
  3. Step 3: Cross multiply
    54,709.32x = 82,100.89 × 21,425.23
  4. Step 4: Simplify right side
    54,709.32x = 1,759,030,811.77
  5. Step 5: Solve for x
    x = 1,759,030,811.77/54,709.32
  6. Step 6: Final answer
    x = 32,152.30

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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.