Home / 43,415.88-65,123.86-13,833.69

Finding the Fourth Proportional to 43,415.88, 65,123.86 and 13,833.69

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Solution

The fourth proportional to 43,415.88, 65,123.86 and 13,833.69 is: 20,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415.88 : 65,123.86 = 13,833.69 : x
  2. Step 2: Convert to fraction form
    43,415.88/65,123.86 = 13,833.69/x
  3. Step 3: Cross multiply
    43,415.88x = 65,123.86 × 13,833.69
  4. Step 4: Simplify right side
    43,415.88x = 900,903,145.33
  5. Step 5: Solve for x
    x = 900,903,145.33/43,415.88
  6. Step 6: Final answer
    x = 20,750.55

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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.