Home / 29,529.12-40,749.45-16,100.64

Finding the Fourth Proportional to 29,529.12, 40,749.45 and 16,100.64

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Solution

The fourth proportional to 29,529.12, 40,749.45 and 16,100.64 is: 22,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,529.12 : 40,749.45 = 16,100.64 : x
  2. Step 2: Convert to fraction form
    29,529.12/40,749.45 = 16,100.64/x
  3. Step 3: Cross multiply
    29,529.12x = 40,749.45 × 16,100.64
  4. Step 4: Simplify right side
    29,529.12x = 656,092,071.84
  5. Step 5: Solve for x
    x = 656,092,071.84/29,529.12
  6. Step 6: Final answer
    x = 22,218.48

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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.