Home / 39,684.78-59,385.04-34,366.38

Finding the Fourth Proportional to 39,684.78, 59,385.04 and 34,366.38

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Solution

The fourth proportional to 39,684.78, 59,385.04 and 34,366.38 is: 51,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684.78 : 59,385.04 = 34,366.38 : x
  2. Step 2: Convert to fraction form
    39,684.78/59,385.04 = 34,366.38/x
  3. Step 3: Cross multiply
    39,684.78x = 59,385.04 × 34,366.38
  4. Step 4: Simplify right side
    39,684.78x = 2,040,848,850.96
  5. Step 5: Solve for x
    x = 2,040,848,850.96/39,684.78
  6. Step 6: Final answer
    x = 51,426.49

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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.