Home / 29,660.96-40,919.10-17,718.32

Finding the Fourth Proportional to 29,660.96, 40,919.10 and 17,718.32

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Solution

The fourth proportional to 29,660.96, 40,919.10 and 17,718.32 is: 24,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.96 : 40,919.10 = 17,718.32 : x
  2. Step 2: Convert to fraction form
    29,660.96/40,919.10 = 17,718.32/x
  3. Step 3: Cross multiply
    29,660.96x = 40,919.10 × 17,718.32
  4. Step 4: Simplify right side
    29,660.96x = 725,017,707.91
  5. Step 5: Solve for x
    x = 725,017,707.91/29,660.96
  6. Step 6: Final answer
    x = 24,443.50

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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.