Home / 55,600.36-76,729.26-30,450.04

Finding the Fourth Proportional to 55,600.36, 76,729.26 and 30,450.04

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Solution

The fourth proportional to 55,600.36, 76,729.26 and 30,450.04 is: 42,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.36 : 76,729.26 = 30,450.04 : x
  2. Step 2: Convert to fraction form
    55,600.36/76,729.26 = 30,450.04/x
  3. Step 3: Cross multiply
    55,600.36x = 76,729.26 × 30,450.04
  4. Step 4: Simplify right side
    55,600.36x = 2,336,409,036.17
  5. Step 5: Solve for x
    x = 2,336,409,036.17/55,600.36
  6. Step 6: Final answer
    x = 42,021.47

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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.