Home / 35,971.94-49,646.09-20,664.52

Finding the Fourth Proportional to 35,971.94, 49,646.09 and 20,664.52

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Solution

The fourth proportional to 35,971.94, 49,646.09 and 20,664.52 is: 28,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.94 : 49,646.09 = 20,664.52 : x
  2. Step 2: Convert to fraction form
    35,971.94/49,646.09 = 20,664.52/x
  3. Step 3: Cross multiply
    35,971.94x = 49,646.09 × 20,664.52
  4. Step 4: Simplify right side
    35,971.94x = 1,025,912,547.27
  5. Step 5: Solve for x
    x = 1,025,912,547.27/35,971.94
  6. Step 6: Final answer
    x = 28,519.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.