Home / 29,145.93-43,718.90-11,615.91

Finding the Fourth Proportional to 29,145.93, 43,718.90 and 11,615.91

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Solution

The fourth proportional to 29,145.93, 43,718.90 and 11,615.91 is: 17,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.93 : 43,718.90 = 11,615.91 : x
  2. Step 2: Convert to fraction form
    29,145.93/43,718.90 = 11,615.91/x
  3. Step 3: Cross multiply
    29,145.93x = 43,718.90 × 11,615.91
  4. Step 4: Simplify right side
    29,145.93x = 507,834,749.62
  5. Step 5: Solve for x
    x = 507,834,749.62/29,145.93
  6. Step 6: Final answer
    x = 17,423.87

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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.