Home / 53,399.04-80,093.76-20,108.16

Finding the Fourth Proportional to 53,399.04, 80,093.76 and 20,108.16

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Solution

The fourth proportional to 53,399.04, 80,093.76 and 20,108.16 is: 30,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,399.04 : 80,093.76 = 20,108.16 : x
  2. Step 2: Convert to fraction form
    53,399.04/80,093.76 = 20,108.16/x
  3. Step 3: Cross multiply
    53,399.04x = 80,093.76 × 20,108.16
  4. Step 4: Simplify right side
    53,399.04x = 1,610,538,141.08
  5. Step 5: Solve for x
    x = 1,610,538,141.08/53,399.04
  6. Step 6: Final answer
    x = 30,160.43

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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.