Home / 38,213.68-52,734.90-21,446.68

Finding the Fourth Proportional to 38,213.68, 52,734.90 and 21,446.68

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Solution

The fourth proportional to 38,213.68, 52,734.90 and 21,446.68 is: 29,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213.68 : 52,734.90 = 21,446.68 : x
  2. Step 2: Convert to fraction form
    38,213.68/52,734.90 = 21,446.68/x
  3. Step 3: Cross multiply
    38,213.68x = 52,734.90 × 21,446.68
  4. Step 4: Simplify right side
    38,213.68x = 1,130,988,525.13
  5. Step 5: Solve for x
    x = 1,130,988,525.13/38,213.68
  6. Step 6: Final answer
    x = 29,596.43

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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.