Home / 49,862.32-74,793.80-12,422.48

Finding the Fourth Proportional to 49,862.32, 74,793.80 and 12,422.48

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Solution

The fourth proportional to 49,862.32, 74,793.80 and 12,422.48 is: 18,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,862.32 : 74,793.80 = 12,422.48 : x
  2. Step 2: Convert to fraction form
    49,862.32/74,793.80 = 12,422.48/x
  3. Step 3: Cross multiply
    49,862.32x = 74,793.80 × 12,422.48
  4. Step 4: Simplify right side
    49,862.32x = 929,124,484.62
  5. Step 5: Solve for x
    x = 929,124,484.62/49,862.32
  6. Step 6: Final answer
    x = 18,633.80

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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.