Home / 55,107.36-76,047.84-29,956.32

Finding the Fourth Proportional to 55,107.36, 76,047.84 and 29,956.32

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Solution

The fourth proportional to 55,107.36, 76,047.84 and 29,956.32 is: 41,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.36 : 76,047.84 = 29,956.32 : x
  2. Step 2: Convert to fraction form
    55,107.36/76,047.84 = 29,956.32/x
  3. Step 3: Cross multiply
    55,107.36x = 76,047.84 × 29,956.32
  4. Step 4: Simplify right side
    55,107.36x = 2,278,113,430.35
  5. Step 5: Solve for x
    x = 2,278,113,430.35/55,107.36
  6. Step 6: Final answer
    x = 41,339.55

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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.