Home / 29,381.68-40,579.80-19,933.84

Finding the Fourth Proportional to 29,381.68, 40,579.80 and 19,933.84

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Solution

The fourth proportional to 29,381.68, 40,579.80 and 19,933.84 is: 27,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.68 : 40,579.80 = 19,933.84 : x
  2. Step 2: Convert to fraction form
    29,381.68/40,579.80 = 19,933.84/x
  3. Step 3: Cross multiply
    29,381.68x = 40,579.80 × 19,933.84
  4. Step 4: Simplify right side
    29,381.68x = 808,911,240.43
  5. Step 5: Solve for x
    x = 808,911,240.43/29,381.68
  6. Step 6: Final answer
    x = 27,531.14

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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.