Home / 29,809.12-41,136.78-16,381.48

Finding the Fourth Proportional to 29,809.12, 41,136.78 and 16,381.48

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Solution

The fourth proportional to 29,809.12, 41,136.78 and 16,381.48 is: 22,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.12 : 41,136.78 = 16,381.48 : x
  2. Step 2: Convert to fraction form
    29,809.12/41,136.78 = 16,381.48/x
  3. Step 3: Cross multiply
    29,809.12x = 41,136.78 × 16,381.48
  4. Step 4: Simplify right side
    29,809.12x = 673,881,338.83
  5. Step 5: Solve for x
    x = 673,881,338.83/29,809.12
  6. Step 6: Final answer
    x = 22,606.55

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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.