Home / 40,403.65-60,609.39-13,768.42

Finding the Fourth Proportional to 40,403.65, 60,609.39 and 13,768.42

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Solution

The fourth proportional to 40,403.65, 60,609.39 and 13,768.42 is: 20,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.65 : 60,609.39 = 13,768.42 : x
  2. Step 2: Convert to fraction form
    40,403.65/60,609.39 = 13,768.42/x
  3. Step 3: Cross multiply
    40,403.65x = 60,609.39 × 13,768.42
  4. Step 4: Simplify right side
    40,403.65x = 834,495,468.62
  5. Step 5: Solve for x
    x = 834,495,468.62/40,403.65
  6. Step 6: Final answer
    x = 20,653.96

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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.