Home / 29,849.09-41,152.69-21,665.33

Finding the Fourth Proportional to 29,849.09, 41,152.69 and 21,665.33

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Solution

The fourth proportional to 29,849.09, 41,152.69 and 21,665.33 is: 29,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,849.09 : 41,152.69 = 21,665.33 : x
  2. Step 2: Convert to fraction form
    29,849.09/41,152.69 = 21,665.33/x
  3. Step 3: Cross multiply
    29,849.09x = 41,152.69 × 21,665.33
  4. Step 4: Simplify right side
    29,849.09x = 891,586,349.31
  5. Step 5: Solve for x
    x = 891,586,349.31/29,849.09
  6. Step 6: Final answer
    x = 29,869.81

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1.5x scale

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.