Home / 40,913.28-61,370.61-12,832.67

Finding the Fourth Proportional to 40,913.28, 61,370.61 and 12,832.67

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Solution

The fourth proportional to 40,913.28, 61,370.61 and 12,832.67 is: 19,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.28 : 61,370.61 = 12,832.67 : x
  2. Step 2: Convert to fraction form
    40,913.28/61,370.61 = 12,832.67/x
  3. Step 3: Cross multiply
    40,913.28x = 61,370.61 × 12,832.67
  4. Step 4: Simplify right side
    40,913.28x = 787,548,478.98
  5. Step 5: Solve for x
    x = 787,548,478.98/40,913.28
  6. Step 6: Final answer
    x = 19,249.21

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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.