Home / 40,055.85-60,089.18-13,768.65

Finding the Fourth Proportional to 40,055.85, 60,089.18 and 13,768.65

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Solution

The fourth proportional to 40,055.85, 60,089.18 and 13,768.65 is: 20,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.85 : 60,089.18 = 13,768.65 : x
  2. Step 2: Convert to fraction form
    40,055.85/60,089.18 = 13,768.65/x
  3. Step 3: Cross multiply
    40,055.85x = 60,089.18 × 13,768.65
  4. Step 4: Simplify right side
    40,055.85x = 827,346,819.36
  5. Step 5: Solve for x
    x = 827,346,819.36/40,055.85
  6. Step 6: Final answer
    x = 20,654.83

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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.