Home / 40,438.57-60,649.50-10,849.39

Finding the Fourth Proportional to 40,438.57, 60,649.50 and 10,849.39

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Solution

The fourth proportional to 40,438.57, 60,649.50 and 10,849.39 is: 16,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.57 : 60,649.50 = 10,849.39 : x
  2. Step 2: Convert to fraction form
    40,438.57/60,649.50 = 10,849.39/x
  3. Step 3: Cross multiply
    40,438.57x = 60,649.50 × 10,849.39
  4. Step 4: Simplify right side
    40,438.57x = 658,010,078.81
  5. Step 5: Solve for x
    x = 658,010,078.81/40,438.57
  6. Step 6: Final answer
    x = 16,271.84

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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.