Home / 55,241.96-76,230.98-31,368.04

Finding the Fourth Proportional to 55,241.96, 76,230.98 and 31,368.04

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Solution

The fourth proportional to 55,241.96, 76,230.98 and 31,368.04 is: 43,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.96 : 76,230.98 = 31,368.04 : x
  2. Step 2: Convert to fraction form
    55,241.96/76,230.98 = 31,368.04/x
  3. Step 3: Cross multiply
    55,241.96x = 76,230.98 × 31,368.04
  4. Step 4: Simplify right side
    55,241.96x = 2,391,216,429.88
  5. Step 5: Solve for x
    x = 2,391,216,429.88/55,241.96
  6. Step 6: Final answer
    x = 43,286.23

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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.