Home / 55,560.25-76,673.15-30,409.75

Finding the Fourth Proportional to 55,560.25, 76,673.15 and 30,409.75

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Solution

The fourth proportional to 55,560.25, 76,673.15 and 30,409.75 is: 41,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.25 : 76,673.15 = 30,409.75 : x
  2. Step 2: Convert to fraction form
    55,560.25/76,673.15 = 30,409.75/x
  3. Step 3: Cross multiply
    55,560.25x = 76,673.15 × 30,409.75
  4. Step 4: Simplify right side
    55,560.25x = 2,331,611,323.21
  5. Step 5: Solve for x
    x = 2,331,611,323.21/55,560.25
  6. Step 6: Final answer
    x = 41,965.46

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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.