Home / 51,120.78-70,541.73-37,699.26

Finding the Fourth Proportional to 51,120.78, 70,541.73 and 37,699.26

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Solution

The fourth proportional to 51,120.78, 70,541.73 and 37,699.26 is: 52,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.78 : 70,541.73 = 37,699.26 : x
  2. Step 2: Convert to fraction form
    51,120.78/70,541.73 = 37,699.26/x
  3. Step 3: Cross multiply
    51,120.78x = 70,541.73 × 37,699.26
  4. Step 4: Simplify right side
    51,120.78x = 2,659,371,020.12
  5. Step 5: Solve for x
    x = 2,659,371,020.12/51,120.78
  6. Step 6: Final answer
    x = 52,021.33

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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.