Home / 29,457.88-40,651.38-16,028.78

Finding the Fourth Proportional to 29,457.88, 40,651.38 and 16,028.78

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Solution

The fourth proportional to 29,457.88, 40,651.38 and 16,028.78 is: 22,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,457.88 : 40,651.38 = 16,028.78 : x
  2. Step 2: Convert to fraction form
    29,457.88/40,651.38 = 16,028.78/x
  3. Step 3: Cross multiply
    29,457.88x = 40,651.38 × 16,028.78
  4. Step 4: Simplify right side
    29,457.88x = 651,592,026.72
  5. Step 5: Solve for x
    x = 651,592,026.72/29,457.88
  6. Step 6: Final answer
    x = 22,119.45

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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.