Home / 32,990.16-49,440.42-18,176.88

Finding the Fourth Proportional to 32,990.16, 49,440.42 and 18,176.88

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Solution

The fourth proportional to 32,990.16, 49,440.42 and 18,176.88 is: 27,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.16 : 49,440.42 = 18,176.88 : x
  2. Step 2: Convert to fraction form
    32,990.16/49,440.42 = 18,176.88/x
  3. Step 3: Cross multiply
    32,990.16x = 49,440.42 × 18,176.88
  4. Step 4: Simplify right side
    32,990.16x = 898,672,581.49
  5. Step 5: Solve for x
    x = 898,672,581.49/32,990.16
  6. Step 6: Final answer
    x = 27,240.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.