Home / 40,142.40-60,216.52-13,846.80

Finding the Fourth Proportional to 40,142.40, 60,216.52 and 13,846.80

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Solution

The fourth proportional to 40,142.40, 60,216.52 and 13,846.80 is: 20,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.40 : 60,216.52 = 13,846.80 : x
  2. Step 2: Convert to fraction form
    40,142.40/60,216.52 = 13,846.80/x
  3. Step 3: Cross multiply
    40,142.40x = 60,216.52 × 13,846.80
  4. Step 4: Simplify right side
    40,142.40x = 833,806,109.14
  5. Step 5: Solve for x
    x = 833,806,109.14/40,142.40
  6. Step 6: Final answer
    x = 20,771.21

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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.