Home / 29,558.45-40,790.78-16,130.00

Finding the Fourth Proportional to 29,558.45, 40,790.78 and 16,130.00

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Solution

The fourth proportional to 29,558.45, 40,790.78 and 16,130.00 is: 22,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.45 : 40,790.78 = 16,130.00 : x
  2. Step 2: Convert to fraction form
    29,558.45/40,790.78 = 16,130.00/x
  3. Step 3: Cross multiply
    29,558.45x = 40,790.78 × 16,130.00
  4. Step 4: Simplify right side
    29,558.45x = 657,954,996.80
  5. Step 5: Solve for x
    x = 657,954,996.80/29,558.45
  6. Step 6: Final answer
    x = 22,259.46

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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.