Home / 34,356.79-51,431.44-31,071.43

Finding the Fourth Proportional to 34,356.79, 51,431.44 and 31,071.43

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Solution

The fourth proportional to 34,356.79, 51,431.44 and 31,071.43 is: 46,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.79 : 51,431.44 = 31,071.43 : x
  2. Step 2: Convert to fraction form
    34,356.79/51,431.44 = 31,071.43/x
  3. Step 3: Cross multiply
    34,356.79x = 51,431.44 × 31,071.43
  4. Step 4: Simplify right side
    34,356.79x = 1,598,048,387.76
  5. Step 5: Solve for x
    x = 1,598,048,387.76/34,356.79
  6. Step 6: Final answer
    x = 46,513.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.