Home / 38,276.24-56,998.42-38,138

Finding the Fourth Proportional to 38,276.24, 56,998.42 and 38,138

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Solution

The fourth proportional to 38,276.24, 56,998.42 and 38,138 is: 56,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.24 : 56,998.42 = 38,138 : x
  2. Step 2: Convert to fraction form
    38,276.24/56,998.42 = 38,138/x
  3. Step 3: Cross multiply
    38,276.24x = 56,998.42 × 38,138
  4. Step 4: Simplify right side
    38,276.24x = 2,173,805,741.96
  5. Step 5: Solve for x
    x = 2,173,805,741.96/38,276.24
  6. Step 6: Final answer
    x = 56,792.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.