Home / 35,827.68-53,714.88-21,790.56

Finding the Fourth Proportional to 35,827.68, 53,714.88 and 21,790.56

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Solution

The fourth proportional to 35,827.68, 53,714.88 and 21,790.56 is: 32,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.68 : 53,714.88 = 21,790.56 : x
  2. Step 2: Convert to fraction form
    35,827.68/53,714.88 = 21,790.56/x
  3. Step 3: Cross multiply
    35,827.68x = 53,714.88 × 21,790.56
  4. Step 4: Simplify right side
    35,827.68x = 1,170,477,315.53
  5. Step 5: Solve for x
    x = 1,170,477,315.53/35,827.68
  6. Step 6: Final answer
    x = 32,669.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.