Home / 30,945.16-42,722.94-29,173.96

Finding the Fourth Proportional to 30,945.16, 42,722.94 and 29,173.96

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Solution

The fourth proportional to 30,945.16, 42,722.94 and 29,173.96 is: 40,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.16 : 42,722.94 = 29,173.96 : x
  2. Step 2: Convert to fraction form
    30,945.16/42,722.94 = 29,173.96/x
  3. Step 3: Cross multiply
    30,945.16x = 42,722.94 × 29,173.96
  4. Step 4: Simplify right side
    30,945.16x = 1,246,397,342.64
  5. Step 5: Solve for x
    x = 1,246,397,342.64/30,945.16
  6. Step 6: Final answer
    x = 40,277.62

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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.