Home / 55,940.09-77,197.32-30,446.55

Finding the Fourth Proportional to 55,940.09, 77,197.32 and 30,446.55

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Solution

The fourth proportional to 55,940.09, 77,197.32 and 30,446.55 is: 42,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.09 : 77,197.32 = 30,446.55 : x
  2. Step 2: Convert to fraction form
    55,940.09/77,197.32 = 30,446.55/x
  3. Step 3: Cross multiply
    55,940.09x = 77,197.32 × 30,446.55
  4. Step 4: Simplify right side
    55,940.09x = 2,350,392,063.25
  5. Step 5: Solve for x
    x = 2,350,392,063.25/55,940.09
  6. Step 6: Final answer
    x = 42,016.24

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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.