Home / 29,581.12-40,821.36-16,152.32

Finding the Fourth Proportional to 29,581.12, 40,821.36 and 16,152.32

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Solution

The fourth proportional to 29,581.12, 40,821.36 and 16,152.32 is: 22,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.12 : 40,821.36 = 16,152.32 : x
  2. Step 2: Convert to fraction form
    29,581.12/40,821.36 = 16,152.32/x
  3. Step 3: Cross multiply
    29,581.12x = 40,821.36 × 16,152.32
  4. Step 4: Simplify right side
    29,581.12x = 659,359,669.56
  5. Step 5: Solve for x
    x = 659,359,669.56/29,581.12
  6. Step 6: Final answer
    x = 22,289.88

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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.