Home / 39,783.31-54,900.90-22,793.05

Finding the Fourth Proportional to 39,783.31, 54,900.90 and 22,793.05

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Solution

The fourth proportional to 39,783.31, 54,900.90 and 22,793.05 is: 31,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.31 : 54,900.90 = 22,793.05 : x
  2. Step 2: Convert to fraction form
    39,783.31/54,900.90 = 22,793.05/x
  3. Step 3: Cross multiply
    39,783.31x = 54,900.90 × 22,793.05
  4. Step 4: Simplify right side
    39,783.31x = 1,251,358,958.75
  5. Step 5: Solve for x
    x = 1,251,358,958.75/39,783.31
  6. Step 6: Final answer
    x = 31,454.37

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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.