Home / 67,321.55-92,903.74-39,043.64

Finding the Fourth Proportional to 67,321.55, 92,903.74 and 39,043.64

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Solution

The fourth proportional to 67,321.55, 92,903.74 and 39,043.64 is: 53,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,321.55 : 92,903.74 = 39,043.64 : x
  2. Step 2: Convert to fraction form
    67,321.55/92,903.74 = 39,043.64/x
  3. Step 3: Cross multiply
    67,321.55x = 92,903.74 × 39,043.64
  4. Step 4: Simplify right side
    67,321.55x = 3,627,299,617.09
  5. Step 5: Solve for x
    x = 3,627,299,617.09/67,321.55
  6. Step 6: Final answer
    x = 53,880.22

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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.