Home / 54,147.42-74,693.42-31,483.91

Finding the Fourth Proportional to 54,147.42, 74,693.42 and 31,483.91

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Solution

The fourth proportional to 54,147.42, 74,693.42 and 31,483.91 is: 43,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,147.42 : 74,693.42 = 31,483.91 : x
  2. Step 2: Convert to fraction form
    54,147.42/74,693.42 = 31,483.91/x
  3. Step 3: Cross multiply
    54,147.42x = 74,693.42 × 31,483.91
  4. Step 4: Simplify right side
    54,147.42x = 2,351,640,817.20
  5. Step 5: Solve for x
    x = 2,351,640,817.20/54,147.42
  6. Step 6: Final answer
    x = 43,430.34

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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.