Home / 40,406.90-60,614.26-13,771.67

Finding the Fourth Proportional to 40,406.90, 60,614.26 and 13,771.67

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Solution

The fourth proportional to 40,406.90, 60,614.26 and 13,771.67 is: 20,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406.90 : 60,614.26 = 13,771.67 : x
  2. Step 2: Convert to fraction form
    40,406.90/60,614.26 = 13,771.67/x
  3. Step 3: Cross multiply
    40,406.90x = 60,614.26 × 13,771.67
  4. Step 4: Simplify right side
    40,406.90x = 834,759,248.51
  5. Step 5: Solve for x
    x = 834,759,248.51/40,406.90
  6. Step 6: Final answer
    x = 20,658.83

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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.