Home / 29,130.80-43,710.60-16,660.40

Finding the Fourth Proportional to 29,130.80, 43,710.60 and 16,660.40

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Solution

The fourth proportional to 29,130.80, 43,710.60 and 16,660.40 is: 24,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.80 : 43,710.60 = 16,660.40 : x
  2. Step 2: Convert to fraction form
    29,130.80/43,710.60 = 16,660.40/x
  3. Step 3: Cross multiply
    29,130.80x = 43,710.60 × 16,660.40
  4. Step 4: Simplify right side
    29,130.80x = 728,236,080.24
  5. Step 5: Solve for x
    x = 728,236,080.24/29,130.80
  6. Step 6: Final answer
    x = 24,998.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.