Home / 50,339.85-75,491.55-20,344.74

Finding the Fourth Proportional to 50,339.85, 75,491.55 and 20,344.74

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Solution

The fourth proportional to 50,339.85, 75,491.55 and 20,344.74 is: 30,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,339.85 : 75,491.55 = 20,344.74 : x
  2. Step 2: Convert to fraction form
    50,339.85/75,491.55 = 20,344.74/x
  3. Step 3: Cross multiply
    50,339.85x = 75,491.55 × 20,344.74
  4. Step 4: Simplify right side
    50,339.85x = 1,535,855,956.95
  5. Step 5: Solve for x
    x = 1,535,855,956.95/50,339.85
  6. Step 6: Final answer
    x = 30,509.74

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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.