Home / 29,190.96-40,285.08-16,619.76

Finding the Fourth Proportional to 29,190.96, 40,285.08 and 16,619.76

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Solution

The fourth proportional to 29,190.96, 40,285.08 and 16,619.76 is: 22,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.96 : 40,285.08 = 16,619.76 : x
  2. Step 2: Convert to fraction form
    29,190.96/40,285.08 = 16,619.76/x
  3. Step 3: Cross multiply
    29,190.96x = 40,285.08 × 16,619.76
  4. Step 4: Simplify right side
    29,190.96x = 669,528,361.18
  5. Step 5: Solve for x
    x = 669,528,361.18/29,190.96
  6. Step 6: Final answer
    x = 22,936.15

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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.