Home / 57,463.75-79,302.68-31,970.26

Finding the Fourth Proportional to 57,463.75, 79,302.68 and 31,970.26

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Solution

The fourth proportional to 57,463.75, 79,302.68 and 31,970.26 is: 44,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,463.75 : 79,302.68 = 31,970.26 : x
  2. Step 2: Convert to fraction form
    57,463.75/79,302.68 = 31,970.26/x
  3. Step 3: Cross multiply
    57,463.75x = 79,302.68 × 31,970.26
  4. Step 4: Simplify right side
    57,463.75x = 2,535,327,298.30
  5. Step 5: Solve for x
    x = 2,535,327,298.30/57,463.75
  6. Step 6: Final answer
    x = 44,120.46

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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.