Home / 48,010.80-72,048.60-31,330.20

Finding the Fourth Proportional to 48,010.80, 72,048.60 and 31,330.20

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Solution

The fourth proportional to 48,010.80, 72,048.60 and 31,330.20 is: 47,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.80 : 72,048.60 = 31,330.20 : x
  2. Step 2: Convert to fraction form
    48,010.80/72,048.60 = 31,330.20/x
  3. Step 3: Cross multiply
    48,010.80x = 72,048.60 × 31,330.20
  4. Step 4: Simplify right side
    48,010.80x = 2,257,297,047.72
  5. Step 5: Solve for x
    x = 2,257,297,047.72/48,010.80
  6. Step 6: Final answer
    x = 47,016.44

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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.