Home / 29,430.44-40,622.90-20,004.48

Finding the Fourth Proportional to 29,430.44, 40,622.90 and 20,004.48

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Solution

The fourth proportional to 29,430.44, 40,622.90 and 20,004.48 is: 27,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.44 : 40,622.90 = 20,004.48 : x
  2. Step 2: Convert to fraction form
    29,430.44/40,622.90 = 20,004.48/x
  3. Step 3: Cross multiply
    29,430.44x = 40,622.90 × 20,004.48
  4. Step 4: Simplify right side
    29,430.44x = 812,639,990.59
  5. Step 5: Solve for x
    x = 812,639,990.59/29,430.44
  6. Step 6: Final answer
    x = 27,612.23

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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.