Home / 29,960.40-41,337.98-18,315.69

Finding the Fourth Proportional to 29,960.40, 41,337.98 and 18,315.69

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Solution

The fourth proportional to 29,960.40, 41,337.98 and 18,315.69 is: 25,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,960.40 : 41,337.98 = 18,315.69 : x
  2. Step 2: Convert to fraction form
    29,960.40/41,337.98 = 18,315.69/x
  3. Step 3: Cross multiply
    29,960.40x = 41,337.98 × 18,315.69
  4. Step 4: Simplify right side
    29,960.40x = 757,133,626.91
  5. Step 5: Solve for x
    x = 757,133,626.91/29,960.40
  6. Step 6: Final answer
    x = 25,271.15

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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.