Home / 53,137.20-73,337.40-40,369.44

Finding the Fourth Proportional to 53,137.20, 73,337.40 and 40,369.44

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Solution

The fourth proportional to 53,137.20, 73,337.40 and 40,369.44 is: 55,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.20 : 73,337.40 = 40,369.44 : x
  2. Step 2: Convert to fraction form
    53,137.20/73,337.40 = 40,369.44/x
  3. Step 3: Cross multiply
    53,137.20x = 73,337.40 × 40,369.44
  4. Step 4: Simplify right side
    53,137.20x = 2,960,589,769.06
  5. Step 5: Solve for x
    x = 2,960,589,769.06/53,137.20
  6. Step 6: Final answer
    x = 55,715.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.