Home / 29,530.32-40,728.72-18,920.88

Finding the Fourth Proportional to 29,530.32, 40,728.72 and 18,920.88

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Solution

The fourth proportional to 29,530.32, 40,728.72 and 18,920.88 is: 26,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.32 : 40,728.72 = 18,920.88 : x
  2. Step 2: Convert to fraction form
    29,530.32/40,728.72 = 18,920.88/x
  3. Step 3: Cross multiply
    29,530.32x = 40,728.72 × 18,920.88
  4. Step 4: Simplify right side
    29,530.32x = 770,623,223.67
  5. Step 5: Solve for x
    x = 770,623,223.67/29,530.32
  6. Step 6: Final answer
    x = 26,096.00

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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.