Home / 29,617.55-40,871.61-16,188.91

Finding the Fourth Proportional to 29,617.55, 40,871.61 and 16,188.91

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Solution

The fourth proportional to 29,617.55, 40,871.61 and 16,188.91 is: 22,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.55 : 40,871.61 = 16,188.91 : x
  2. Step 2: Convert to fraction form
    29,617.55/40,871.61 = 16,188.91/x
  3. Step 3: Cross multiply
    29,617.55x = 40,871.61 × 16,188.91
  4. Step 4: Simplify right side
    29,617.55x = 661,666,815.85
  5. Step 5: Solve for x
    x = 661,666,815.85/29,617.55
  6. Step 6: Final answer
    x = 22,340.36

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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.