Home / 38,245.43-52,777.59-21,893.04

Finding the Fourth Proportional to 38,245.43, 52,777.59 and 21,893.04

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Solution

The fourth proportional to 38,245.43, 52,777.59 and 21,893.04 is: 30,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.43 : 52,777.59 = 21,893.04 : x
  2. Step 2: Convert to fraction form
    38,245.43/52,777.59 = 21,893.04/x
  3. Step 3: Cross multiply
    38,245.43x = 52,777.59 × 21,893.04
  4. Step 4: Simplify right side
    38,245.43x = 1,155,461,888.97
  5. Step 5: Solve for x
    x = 1,155,461,888.97/38,245.43
  6. Step 6: Final answer
    x = 30,211.77

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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.