Home / 57,709.48-86,563.30-29,613.31

Finding the Fourth Proportional to 57,709.48, 86,563.30 and 29,613.31

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Solution

The fourth proportional to 57,709.48, 86,563.30 and 29,613.31 is: 44,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.48 : 86,563.30 = 29,613.31 : x
  2. Step 2: Convert to fraction form
    57,709.48/86,563.30 = 29,613.31/x
  3. Step 3: Cross multiply
    57,709.48x = 86,563.30 × 29,613.31
  4. Step 4: Simplify right side
    57,709.48x = 2,563,425,837.52
  5. Step 5: Solve for x
    x = 2,563,425,837.52/57,709.48
  6. Step 6: Final answer
    x = 44,419.49

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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.