Home / 57,232.29-78,988.63-31,744.33

Finding the Fourth Proportional to 57,232.29, 78,988.63 and 31,744.33

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Solution

The fourth proportional to 57,232.29, 78,988.63 and 31,744.33 is: 43,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.29 : 78,988.63 = 31,744.33 : x
  2. Step 2: Convert to fraction form
    57,232.29/78,988.63 = 31,744.33/x
  3. Step 3: Cross multiply
    57,232.29x = 78,988.63 × 31,744.33
  4. Step 4: Simplify right side
    57,232.29x = 2,507,440,880.44
  5. Step 5: Solve for x
    x = 2,507,440,880.44/57,232.29
  6. Step 6: Final answer
    x = 43,811.64

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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.