Home / 55,814.72-77,028.60-31,948.88

Finding the Fourth Proportional to 55,814.72, 77,028.60 and 31,948.88

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Solution

The fourth proportional to 55,814.72, 77,028.60 and 31,948.88 is: 44,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,814.72 : 77,028.60 = 31,948.88 : x
  2. Step 2: Convert to fraction form
    55,814.72/77,028.60 = 31,948.88/x
  3. Step 3: Cross multiply
    55,814.72x = 77,028.60 × 31,948.88
  4. Step 4: Simplify right side
    55,814.72x = 2,460,977,497.97
  5. Step 5: Solve for x
    x = 2,460,977,497.97/55,814.72
  6. Step 6: Final answer
    x = 44,091.91

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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.