Home / 29,065.16-40,108.74-16,489.64

Finding the Fourth Proportional to 29,065.16, 40,108.74 and 16,489.64

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Solution

The fourth proportional to 29,065.16, 40,108.74 and 16,489.64 is: 22,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.16 : 40,108.74 = 16,489.64 : x
  2. Step 2: Convert to fraction form
    29,065.16/40,108.74 = 16,489.64/x
  3. Step 3: Cross multiply
    29,065.16x = 40,108.74 × 16,489.64
  4. Step 4: Simplify right side
    29,065.16x = 661,378,683.45
  5. Step 5: Solve for x
    x = 661,378,683.45/29,065.16
  6. Step 6: Final answer
    x = 22,755.03

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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.