Home / 55,996.40-77,274.36-30,845.36

Finding the Fourth Proportional to 55,996.40, 77,274.36 and 30,845.36

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Solution

The fourth proportional to 55,996.40, 77,274.36 and 30,845.36 is: 42,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996.40 : 77,274.36 = 30,845.36 : x
  2. Step 2: Convert to fraction form
    55,996.40/77,274.36 = 30,845.36/x
  3. Step 3: Cross multiply
    55,996.40x = 77,274.36 × 30,845.36
  4. Step 4: Simplify right side
    55,996.40x = 2,383,555,452.97
  5. Step 5: Solve for x
    x = 2,383,555,452.97/55,996.40
  6. Step 6: Final answer
    x = 42,566.23

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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.