Home / 44,653.24-66,979.80-21,208.60

Finding the Fourth Proportional to 44,653.24, 66,979.80 and 21,208.60

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Solution

The fourth proportional to 44,653.24, 66,979.80 and 21,208.60 is: 31,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,653.24 : 66,979.80 = 21,208.60 : x
  2. Step 2: Convert to fraction form
    44,653.24/66,979.80 = 21,208.60/x
  3. Step 3: Cross multiply
    44,653.24x = 66,979.80 × 21,208.60
  4. Step 4: Simplify right side
    44,653.24x = 1,420,547,786.28
  5. Step 5: Solve for x
    x = 1,420,547,786.28/44,653.24
  6. Step 6: Final answer
    x = 31,812.87

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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.