Home / 53,640.32-80,460.16-29,171.84

Finding the Fourth Proportional to 53,640.32, 80,460.16 and 29,171.84

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Solution

The fourth proportional to 53,640.32, 80,460.16 and 29,171.84 is: 43,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.32 : 80,460.16 = 29,171.84 : x
  2. Step 2: Convert to fraction form
    53,640.32/80,460.16 = 29,171.84/x
  3. Step 3: Cross multiply
    53,640.32x = 80,460.16 × 29,171.84
  4. Step 4: Simplify right side
    53,640.32x = 2,347,170,913.89
  5. Step 5: Solve for x
    x = 2,347,170,913.89/53,640.32
  6. Step 6: Final answer
    x = 43,757.59

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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.