Home / 47,536.80-71,305.20-31,869.60

Finding the Fourth Proportional to 47,536.80, 71,305.20 and 31,869.60

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Solution

The fourth proportional to 47,536.80, 71,305.20 and 31,869.60 is: 47,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,536.80 : 71,305.20 = 31,869.60 : x
  2. Step 2: Convert to fraction form
    47,536.80/71,305.20 = 31,869.60/x
  3. Step 3: Cross multiply
    47,536.80x = 71,305.20 × 31,869.60
  4. Step 4: Simplify right side
    47,536.80x = 2,272,468,201.92
  5. Step 5: Solve for x
    x = 2,272,468,201.92/47,536.80
  6. Step 6: Final answer
    x = 47,804.40

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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.