Home / 79,516.63-119,280.42-20,352.82

Finding the Fourth Proportional to 79,516.63, 119,280.42 and 20,352.82

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Solution

The fourth proportional to 79,516.63, 119,280.42 and 20,352.82 is: 30,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.63 : 119,280.42 = 20,352.82 : x
  2. Step 2: Convert to fraction form
    79,516.63/119,280.42 = 20,352.82/x
  3. Step 3: Cross multiply
    79,516.63x = 119,280.42 × 20,352.82
  4. Step 4: Simplify right side
    79,516.63x = 2,427,692,917.78
  5. Step 5: Solve for x
    x = 2,427,692,917.78/79,516.63
  6. Step 6: Final answer
    x = 30,530.63

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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.