Home / 50,873.46-76,280.20-20,878.74

Finding the Fourth Proportional to 50,873.46, 76,280.20 and 20,878.74

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Solution

The fourth proportional to 50,873.46, 76,280.20 and 20,878.74 is: 31,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,873.46 : 76,280.20 = 20,878.74 : x
  2. Step 2: Convert to fraction form
    50,873.46/76,280.20 = 20,878.74/x
  3. Step 3: Cross multiply
    50,873.46x = 76,280.20 × 20,878.74
  4. Step 4: Simplify right side
    50,873.46x = 1,592,634,462.95
  5. Step 5: Solve for x
    x = 1,592,634,462.95/50,873.46
  6. Step 6: Final answer
    x = 31,305.80

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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.