Home / 43,315.83-64,982.93-13,729.77

Finding the Fourth Proportional to 43,315.83, 64,982.93 and 13,729.77

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Solution

The fourth proportional to 43,315.83, 64,982.93 and 13,729.77 is: 20,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.83 : 64,982.93 = 13,729.77 : x
  2. Step 2: Convert to fraction form
    43,315.83/64,982.93 = 13,729.77/x
  3. Step 3: Cross multiply
    43,315.83x = 64,982.93 × 13,729.77
  4. Step 4: Simplify right side
    43,315.83x = 892,200,614.18
  5. Step 5: Solve for x
    x = 892,200,614.18/43,315.83
  6. Step 6: Final answer
    x = 20,597.56

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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.