Home / 55,287.60-76,235.04-35,118.96

Finding the Fourth Proportional to 55,287.60, 76,235.04 and 35,118.96

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Solution

The fourth proportional to 55,287.60, 76,235.04 and 35,118.96 is: 48,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.60 : 76,235.04 = 35,118.96 : x
  2. Step 2: Convert to fraction form
    55,287.60/76,235.04 = 35,118.96/x
  3. Step 3: Cross multiply
    55,287.60x = 76,235.04 × 35,118.96
  4. Step 4: Simplify right side
    55,287.60x = 2,677,295,320.36
  5. Step 5: Solve for x
    x = 2,677,295,320.36/55,287.60
  6. Step 6: Final answer
    x = 48,424.88

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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.