Home / 29,485.96-40,690.64-16,057.21

Finding the Fourth Proportional to 29,485.96, 40,690.64 and 16,057.21

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Solution

The fourth proportional to 29,485.96, 40,690.64 and 16,057.21 is: 22,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,485.96 : 40,690.64 = 16,057.21 : x
  2. Step 2: Convert to fraction form
    29,485.96/40,690.64 = 16,057.21/x
  3. Step 3: Cross multiply
    29,485.96x = 40,690.64 × 16,057.21
  4. Step 4: Simplify right side
    29,485.96x = 653,378,151.51
  5. Step 5: Solve for x
    x = 653,378,151.51/29,485.96
  6. Step 6: Final answer
    x = 22,158.96

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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.