Home / 38,743.75-53,445.94-31,989.97

Finding the Fourth Proportional to 38,743.75, 53,445.94 and 31,989.97

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Solution

The fourth proportional to 38,743.75, 53,445.94 and 31,989.97 is: 44,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.75 : 53,445.94 = 31,989.97 : x
  2. Step 2: Convert to fraction form
    38,743.75/53,445.94 = 31,989.97/x
  3. Step 3: Cross multiply
    38,743.75x = 53,445.94 × 31,989.97
  4. Step 4: Simplify right side
    38,743.75x = 1,709,734,017.22
  5. Step 5: Solve for x
    x = 1,709,734,017.22/38,743.75
  6. Step 6: Final answer
    x = 44,129.29

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1.5x scale

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.