Home / 55,360.35-76,399.07-31,486.41

Finding the Fourth Proportional to 55,360.35, 76,399.07 and 31,486.41

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Solution

The fourth proportional to 55,360.35, 76,399.07 and 31,486.41 is: 43,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.35 : 76,399.07 = 31,486.41 : x
  2. Step 2: Convert to fraction form
    55,360.35/76,399.07 = 31,486.41/x
  3. Step 3: Cross multiply
    55,360.35x = 76,399.07 × 31,486.41
  4. Step 4: Simplify right side
    55,360.35x = 2,405,532,284.21
  5. Step 5: Solve for x
    x = 2,405,532,284.21/55,360.35
  6. Step 6: Final answer
    x = 43,452.26

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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.