Home / 43,289.10-64,933.83-13,707.09

Finding the Fourth Proportional to 43,289.10, 64,933.83 and 13,707.09

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Solution

The fourth proportional to 43,289.10, 64,933.83 and 13,707.09 is: 20,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.10 : 64,933.83 = 13,707.09 : x
  2. Step 2: Convert to fraction form
    43,289.10/64,933.83 = 13,707.09/x
  3. Step 3: Cross multiply
    43,289.10x = 64,933.83 × 13,707.09
  4. Step 4: Simplify right side
    43,289.10x = 890,053,851.85
  5. Step 5: Solve for x
    x = 890,053,851.85/43,289.10
  6. Step 6: Final answer
    x = 20,560.69

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1.5x scale

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.