Home / 38,529.80-57,794.70-20,059.40

Finding the Fourth Proportional to 38,529.80, 57,794.70 and 20,059.40

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Solution

The fourth proportional to 38,529.80, 57,794.70 and 20,059.40 is: 30,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.80 : 57,794.70 = 20,059.40 : x
  2. Step 2: Convert to fraction form
    38,529.80/57,794.70 = 20,059.40/x
  3. Step 3: Cross multiply
    38,529.80x = 57,794.70 × 20,059.40
  4. Step 4: Simplify right side
    38,529.80x = 1,159,327,005.18
  5. Step 5: Solve for x
    x = 1,159,327,005.18/38,529.80
  6. Step 6: Final answer
    x = 30,089.10

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1.5x scale

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.