Home / 38,669.67-57,959.55-31,661.55

Finding the Fourth Proportional to 38,669.67, 57,959.55 and 31,661.55

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Solution

The fourth proportional to 38,669.67, 57,959.55 and 31,661.55 is: 47,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.67 : 57,959.55 = 31,661.55 : x
  2. Step 2: Convert to fraction form
    38,669.67/57,959.55 = 31,661.55/x
  3. Step 3: Cross multiply
    38,669.67x = 57,959.55 × 31,661.55
  4. Step 4: Simplify right side
    38,669.67x = 1,835,089,190.30
  5. Step 5: Solve for x
    x = 1,835,089,190.30/38,669.67
  6. Step 6: Final answer
    x = 47,455.52

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1.5x scale

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.