Home / 57,933.96-79,984.98-39,815.88

Finding the Fourth Proportional to 57,933.96, 79,984.98 and 39,815.88

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Solution

The fourth proportional to 57,933.96, 79,984.98 and 39,815.88 is: 54,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.96 : 79,984.98 = 39,815.88 : x
  2. Step 2: Convert to fraction form
    57,933.96/79,984.98 = 39,815.88/x
  3. Step 3: Cross multiply
    57,933.96x = 79,984.98 × 39,815.88
  4. Step 4: Simplify right side
    57,933.96x = 3,184,672,365.48
  5. Step 5: Solve for x
    x = 3,184,672,365.48/57,933.96
  6. Step 6: Final answer
    x = 54,970.74

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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.