Home / 50,239.20-75,423.60-40,389.60

Finding the Fourth Proportional to 50,239.20, 75,423.60 and 40,389.60

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Solution

The fourth proportional to 50,239.20, 75,423.60 and 40,389.60 is: 60,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,239.20 : 75,423.60 = 40,389.60 : x
  2. Step 2: Convert to fraction form
    50,239.20/75,423.60 = 40,389.60/x
  3. Step 3: Cross multiply
    50,239.20x = 75,423.60 × 40,389.60
  4. Step 4: Simplify right side
    50,239.20x = 3,046,329,034.56
  5. Step 5: Solve for x
    x = 3,046,329,034.56/50,239.20
  6. Step 6: Final answer
    x = 60,636.50

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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.