Home / 67,185.48-92,713.99-36,970.78

Finding the Fourth Proportional to 67,185.48, 92,713.99 and 36,970.78

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Solution

The fourth proportional to 67,185.48, 92,713.99 and 36,970.78 is: 51,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,185.48 : 92,713.99 = 36,970.78 : x
  2. Step 2: Convert to fraction form
    67,185.48/92,713.99 = 36,970.78/x
  3. Step 3: Cross multiply
    67,185.48x = 92,713.99 × 36,970.78
  4. Step 4: Simplify right side
    67,185.48x = 3,427,708,550.14
  5. Step 5: Solve for x
    x = 3,427,708,550.14/67,185.48
  6. Step 6: Final answer
    x = 51,018.59

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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.