Home / 55,176.25-76,143.23-30,025.93

Finding the Fourth Proportional to 55,176.25, 76,143.23 and 30,025.93

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Solution

The fourth proportional to 55,176.25, 76,143.23 and 30,025.93 is: 41,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.25 : 76,143.23 = 30,025.93 : x
  2. Step 2: Convert to fraction form
    55,176.25/76,143.23 = 30,025.93/x
  3. Step 3: Cross multiply
    55,176.25x = 76,143.23 × 30,025.93
  4. Step 4: Simplify right side
    55,176.25x = 2,286,271,293.95
  5. Step 5: Solve for x
    x = 2,286,271,293.95/55,176.25
  6. Step 6: Final answer
    x = 41,435.79

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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.