Home / 55,051.24-75,971.60-31,177.28

Finding the Fourth Proportional to 55,051.24, 75,971.60 and 31,177.28

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Solution

The fourth proportional to 55,051.24, 75,971.60 and 31,177.28 is: 43,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.24 : 75,971.60 = 31,177.28 : x
  2. Step 2: Convert to fraction form
    55,051.24/75,971.60 = 31,177.28/x
  3. Step 3: Cross multiply
    55,051.24x = 75,971.60 × 31,177.28
  4. Step 4: Simplify right side
    55,051.24x = 2,368,587,845.25
  5. Step 5: Solve for x
    x = 2,368,587,845.25/55,051.24
  6. Step 6: Final answer
    x = 43,025.15

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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.