Home / 55,494.55-76,580.22-31,619.20

Finding the Fourth Proportional to 55,494.55, 76,580.22 and 31,619.20

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Solution

The fourth proportional to 55,494.55, 76,580.22 and 31,619.20 is: 43,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,494.55 : 76,580.22 = 31,619.20 : x
  2. Step 2: Convert to fraction form
    55,494.55/76,580.22 = 31,619.20/x
  3. Step 3: Cross multiply
    55,494.55x = 76,580.22 × 31,619.20
  4. Step 4: Simplify right side
    55,494.55x = 2,421,405,292.22
  5. Step 5: Solve for x
    x = 2,421,405,292.22/55,494.55
  6. Step 6: Final answer
    x = 43,633.21

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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.