Home / 40,364.40-60,496.20-20,650.80

Finding the Fourth Proportional to 40,364.40, 60,496.20 and 20,650.80

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Solution

The fourth proportional to 40,364.40, 60,496.20 and 20,650.80 is: 30,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.40 : 60,496.20 = 20,650.80 : x
  2. Step 2: Convert to fraction form
    40,364.40/60,496.20 = 20,650.80/x
  3. Step 3: Cross multiply
    40,364.40x = 60,496.20 × 20,650.80
  4. Step 4: Simplify right side
    40,364.40x = 1,249,294,926.96
  5. Step 5: Solve for x
    x = 1,249,294,926.96/40,364.40
  6. Step 6: Final answer
    x = 30,950.41

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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.