Home / 55,564.74-76,676.40-30,409.38

Finding the Fourth Proportional to 55,564.74, 76,676.40 and 30,409.38

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Solution

The fourth proportional to 55,564.74, 76,676.40 and 30,409.38 is: 41,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.74 : 76,676.40 = 30,409.38 : x
  2. Step 2: Convert to fraction form
    55,564.74/76,676.40 = 30,409.38/x
  3. Step 3: Cross multiply
    55,564.74x = 76,676.40 × 30,409.38
  4. Step 4: Simplify right side
    55,564.74x = 2,331,681,784.63
  5. Step 5: Solve for x
    x = 2,331,681,784.63/55,564.74
  6. Step 6: Final answer
    x = 41,963.33

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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.