Home / 53,121.80-73,299.60-30,456.44

Finding the Fourth Proportional to 53,121.80, 73,299.60 and 30,456.44

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Solution

The fourth proportional to 53,121.80, 73,299.60 and 30,456.44 is: 42,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.80 : 73,299.60 = 30,456.44 : x
  2. Step 2: Convert to fraction form
    53,121.80/73,299.60 = 30,456.44/x
  3. Step 3: Cross multiply
    53,121.80x = 73,299.60 × 30,456.44
  4. Step 4: Simplify right side
    53,121.80x = 2,232,444,869.42
  5. Step 5: Solve for x
    x = 2,232,444,869.42/53,121.80
  6. Step 6: Final answer
    x = 42,025.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.