Home / 43,170.59-64,752.73-13,596.88

Finding the Fourth Proportional to 43,170.59, 64,752.73 and 13,596.88

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Solution

The fourth proportional to 43,170.59, 64,752.73 and 13,596.88 is: 20,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.59 : 64,752.73 = 13,596.88 : x
  2. Step 2: Convert to fraction form
    43,170.59/64,752.73 = 13,596.88/x
  3. Step 3: Cross multiply
    43,170.59x = 64,752.73 × 13,596.88
  4. Step 4: Simplify right side
    43,170.59x = 880,435,101.50
  5. Step 5: Solve for x
    x = 880,435,101.50/43,170.59
  6. Step 6: Final answer
    x = 20,394.33

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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.