Home / 55,367.60-76,406.48-30,215.44

Finding the Fourth Proportional to 55,367.60, 76,406.48 and 30,215.44

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Solution

The fourth proportional to 55,367.60, 76,406.48 and 30,215.44 is: 41,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.60 : 76,406.48 = 30,215.44 : x
  2. Step 2: Convert to fraction form
    55,367.60/76,406.48 = 30,215.44/x
  3. Step 3: Cross multiply
    55,367.60x = 76,406.48 × 30,215.44
  4. Step 4: Simplify right side
    55,367.60x = 2,308,655,412.05
  5. Step 5: Solve for x
    x = 2,308,655,412.05/55,367.60
  6. Step 6: Final answer
    x = 41,696.87

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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.