Home / 29,108.24-40,169.40-15,860.24

Finding the Fourth Proportional to 29,108.24, 40,169.40 and 15,860.24

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Solution

The fourth proportional to 29,108.24, 40,169.40 and 15,860.24 is: 21,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.24 : 40,169.40 = 15,860.24 : x
  2. Step 2: Convert to fraction form
    29,108.24/40,169.40 = 15,860.24/x
  3. Step 3: Cross multiply
    29,108.24x = 40,169.40 × 15,860.24
  4. Step 4: Simplify right side
    29,108.24x = 637,096,324.66
  5. Step 5: Solve for x
    x = 637,096,324.66/29,108.24
  6. Step 6: Final answer
    x = 21,887.15

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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.