Home / 57,420.96-79,231.34-31,926.62

Finding the Fourth Proportional to 57,420.96, 79,231.34 and 31,926.62

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Solution

The fourth proportional to 57,420.96, 79,231.34 and 31,926.62 is: 44,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.96 : 79,231.34 = 31,926.62 : x
  2. Step 2: Convert to fraction form
    57,420.96/79,231.34 = 31,926.62/x
  3. Step 3: Cross multiply
    57,420.96x = 79,231.34 × 31,926.62
  4. Step 4: Simplify right side
    57,420.96x = 2,529,588,884.27
  5. Step 5: Solve for x
    x = 2,529,588,884.27/57,420.96
  6. Step 6: Final answer
    x = 44,053.41

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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.