Home / 29,960.53-41,338.15-18,315.82

Finding the Fourth Proportional to 29,960.53, 41,338.15 and 18,315.82

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Solution

The fourth proportional to 29,960.53, 41,338.15 and 18,315.82 is: 25,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,960.53 : 41,338.15 = 18,315.82 : x
  2. Step 2: Convert to fraction form
    29,960.53/41,338.15 = 18,315.82/x
  3. Step 3: Cross multiply
    29,960.53x = 41,338.15 × 18,315.82
  4. Step 4: Simplify right side
    29,960.53x = 757,141,965.40
  5. Step 5: Solve for x
    x = 757,141,965.40/29,960.53
  6. Step 6: Final answer
    x = 25,271.32

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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.