Home / 38,435.93-53,021.40-31,273.85

Finding the Fourth Proportional to 38,435.93, 53,021.40 and 31,273.85

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Solution

The fourth proportional to 38,435.93, 53,021.40 and 31,273.85 is: 43,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,435.93 : 53,021.40 = 31,273.85 : x
  2. Step 2: Convert to fraction form
    38,435.93/53,021.40 = 31,273.85/x
  3. Step 3: Cross multiply
    38,435.93x = 53,021.40 × 31,273.85
  4. Step 4: Simplify right side
    38,435.93x = 1,658,183,310.39
  5. Step 5: Solve for x
    x = 1,658,183,310.39/38,435.93
  6. Step 6: Final answer
    x = 43,141.49

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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.