Home / 67,299.28-92,871.84-39,007.60

Finding the Fourth Proportional to 67,299.28, 92,871.84 and 39,007.60

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Solution

The fourth proportional to 67,299.28, 92,871.84 and 39,007.60 is: 53,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299.28 : 92,871.84 = 39,007.60 : x
  2. Step 2: Convert to fraction form
    67,299.28/92,871.84 = 39,007.60/x
  3. Step 3: Cross multiply
    67,299.28x = 92,871.84 × 39,007.60
  4. Step 4: Simplify right side
    67,299.28x = 3,622,707,585.98
  5. Step 5: Solve for x
    x = 3,622,707,585.98/67,299.28
  6. Step 6: Final answer
    x = 53,829.81

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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.