Home / 50,815.15-76,139.57-30,763.86

Finding the Fourth Proportional to 50,815.15, 76,139.57 and 30,763.86

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Solution

The fourth proportional to 50,815.15, 76,139.57 and 30,763.86 is: 46,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.15 : 76,139.57 = 30,763.86 : x
  2. Step 2: Convert to fraction form
    50,815.15/76,139.57 = 30,763.86/x
  3. Step 3: Cross multiply
    50,815.15x = 76,139.57 × 30,763.86
  4. Step 4: Simplify right side
    50,815.15x = 2,342,347,071.94
  5. Step 5: Solve for x
    x = 2,342,347,071.94/50,815.15
  6. Step 6: Final answer
    x = 46,095.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.