Home / 29,700.12-40,986.84-16,272

Finding the Fourth Proportional to 29,700.12, 40,986.84 and 16,272

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Solution

The fourth proportional to 29,700.12, 40,986.84 and 16,272 is: 22,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.12 : 40,986.84 = 16,272 : x
  2. Step 2: Convert to fraction form
    29,700.12/40,986.84 = 16,272/x
  3. Step 3: Cross multiply
    29,700.12x = 40,986.84 × 16,272
  4. Step 4: Simplify right side
    29,700.12x = 666,937,860.48
  5. Step 5: Solve for x
    x = 666,937,860.48/29,700.12
  6. Step 6: Final answer
    x = 22,455.73

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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.