Home / 43,178.83-64,778.48-13,596.58

Finding the Fourth Proportional to 43,178.83, 64,778.48 and 13,596.58

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Solution

The fourth proportional to 43,178.83, 64,778.48 and 13,596.58 is: 20,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.83 : 64,778.48 = 13,596.58 : x
  2. Step 2: Convert to fraction form
    43,178.83/64,778.48 = 13,596.58/x
  3. Step 3: Cross multiply
    43,178.83x = 64,778.48 × 13,596.58
  4. Step 4: Simplify right side
    43,178.83x = 880,765,561.68
  5. Step 5: Solve for x
    x = 880,765,561.68/43,178.83
  6. Step 6: Final answer
    x = 20,398.09

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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.