Home / 30,343.12-41,870.92-17,767.76

Finding the Fourth Proportional to 30,343.12, 41,870.92 and 17,767.76

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Solution

The fourth proportional to 30,343.12, 41,870.92 and 17,767.76 is: 24,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.12 : 41,870.92 = 17,767.76 : x
  2. Step 2: Convert to fraction form
    30,343.12/41,870.92 = 17,767.76/x
  3. Step 3: Cross multiply
    30,343.12x = 41,870.92 × 17,767.76
  4. Step 4: Simplify right side
    30,343.12x = 743,952,457.54
  5. Step 5: Solve for x
    x = 743,952,457.54/30,343.12
  6. Step 6: Final answer
    x = 24,517.99

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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.