Home / 29,700.56-40,986.77-16,272.29

Finding the Fourth Proportional to 29,700.56, 40,986.77 and 16,272.29

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Solution

The fourth proportional to 29,700.56, 40,986.77 and 16,272.29 is: 22,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.56 : 40,986.77 = 16,272.29 : x
  2. Step 2: Convert to fraction form
    29,700.56/40,986.77 = 16,272.29/x
  3. Step 3: Cross multiply
    29,700.56x = 40,986.77 × 16,272.29
  4. Step 4: Simplify right side
    29,700.56x = 666,948,607.60
  5. Step 5: Solve for x
    x = 666,948,607.60/29,700.56
  6. Step 6: Final answer
    x = 22,455.76

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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.