Home / 48,422.80-72,634.20-13,362.40

Finding the Fourth Proportional to 48,422.80, 72,634.20 and 13,362.40

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Solution

The fourth proportional to 48,422.80, 72,634.20 and 13,362.40 is: 20,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.80 : 72,634.20 = 13,362.40 : x
  2. Step 2: Convert to fraction form
    48,422.80/72,634.20 = 13,362.40/x
  3. Step 3: Cross multiply
    48,422.80x = 72,634.20 × 13,362.40
  4. Step 4: Simplify right side
    48,422.80x = 970,567,234.08
  5. Step 5: Solve for x
    x = 970,567,234.08/48,422.80
  6. Step 6: Final answer
    x = 20,043.60

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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.