Home / 55,477.92-76,559.76-31,605.60

Finding the Fourth Proportional to 55,477.92, 76,559.76 and 31,605.60

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Solution

The fourth proportional to 55,477.92, 76,559.76 and 31,605.60 is: 43,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.92 : 76,559.76 = 31,605.60 : x
  2. Step 2: Convert to fraction form
    55,477.92/76,559.76 = 31,605.60/x
  3. Step 3: Cross multiply
    55,477.92x = 76,559.76 × 31,605.60
  4. Step 4: Simplify right side
    55,477.92x = 2,419,717,150.66
  5. Step 5: Solve for x
    x = 2,419,717,150.66/55,477.92
  6. Step 6: Final answer
    x = 43,615.86

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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.