Home / 67,395.36-92,975.48-39,084.62

Finding the Fourth Proportional to 67,395.36, 92,975.48 and 39,084.62

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Solution

The fourth proportional to 67,395.36, 92,975.48 and 39,084.62 is: 53,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,395.36 : 92,975.48 = 39,084.62 : x
  2. Step 2: Convert to fraction form
    67,395.36/92,975.48 = 39,084.62/x
  3. Step 3: Cross multiply
    67,395.36x = 92,975.48 × 39,084.62
  4. Step 4: Simplify right side
    67,395.36x = 3,633,911,305.12
  5. Step 5: Solve for x
    x = 3,633,911,305.12/67,395.36
  6. Step 6: Final answer
    x = 53,919.31

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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.