Home / 55,603.24-76,729.62-30,452.20

Finding the Fourth Proportional to 55,603.24, 76,729.62 and 30,452.20

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Solution

The fourth proportional to 55,603.24, 76,729.62 and 30,452.20 is: 42,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.24 : 76,729.62 = 30,452.20 : x
  2. Step 2: Convert to fraction form
    55,603.24/76,729.62 = 30,452.20/x
  3. Step 3: Cross multiply
    55,603.24x = 76,729.62 × 30,452.20
  4. Step 4: Simplify right side
    55,603.24x = 2,336,585,734.16
  5. Step 5: Solve for x
    x = 2,336,585,734.16/55,603.24
  6. Step 6: Final answer
    x = 42,022.47

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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.