Home / 57,102.29-78,797.32-31,606.93

Finding the Fourth Proportional to 57,102.29, 78,797.32 and 31,606.93

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Solution

The fourth proportional to 57,102.29, 78,797.32 and 31,606.93 is: 43,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.29 : 78,797.32 = 31,606.93 : x
  2. Step 2: Convert to fraction form
    57,102.29/78,797.32 = 31,606.93/x
  3. Step 3: Cross multiply
    57,102.29x = 78,797.32 × 31,606.93
  4. Step 4: Simplify right side
    57,102.29x = 2,490,541,377.43
  5. Step 5: Solve for x
    x = 2,490,541,377.43/57,102.29
  6. Step 6: Final answer
    x = 43,615.44

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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.