Home / 50,830.80-76,246.20-49,664.40

Finding the Fourth Proportional to 50,830.80, 76,246.20 and 49,664.40

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Solution

The fourth proportional to 50,830.80, 76,246.20 and 49,664.40 is: 74,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,830.80 : 76,246.20 = 49,664.40 : x
  2. Step 2: Convert to fraction form
    50,830.80/76,246.20 = 49,664.40/x
  3. Step 3: Cross multiply
    50,830.80x = 76,246.20 × 49,664.40
  4. Step 4: Simplify right side
    50,830.80x = 3,786,721,775.28
  5. Step 5: Solve for x
    x = 3,786,721,775.28/50,830.80
  6. Step 6: Final answer
    x = 74,496.60

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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.