Home / 42,554.08-63,844.96-20,364.64

Finding the Fourth Proportional to 42,554.08, 63,844.96 and 20,364.64

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Solution

The fourth proportional to 42,554.08, 63,844.96 and 20,364.64 is: 30,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554.08 : 63,844.96 = 20,364.64 : x
  2. Step 2: Convert to fraction form
    42,554.08/63,844.96 = 20,364.64/x
  3. Step 3: Cross multiply
    42,554.08x = 63,844.96 × 20,364.64
  4. Step 4: Simplify right side
    42,554.08x = 1,300,179,626.21
  5. Step 5: Solve for x
    x = 1,300,179,626.21/42,554.08
  6. Step 6: Final answer
    x = 30,553.58

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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.