Home / 67,087.19-92,578.37-38,405.90

Finding the Fourth Proportional to 67,087.19, 92,578.37 and 38,405.90

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Solution

The fourth proportional to 67,087.19, 92,578.37 and 38,405.90 is: 52,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087.19 : 92,578.37 = 38,405.90 : x
  2. Step 2: Convert to fraction form
    67,087.19/92,578.37 = 38,405.90/x
  3. Step 3: Cross multiply
    67,087.19x = 92,578.37 × 38,405.90
  4. Step 4: Simplify right side
    67,087.19x = 3,555,555,428.35
  5. Step 5: Solve for x
    x = 3,555,555,428.35/67,087.19
  6. Step 6: Final answer
    x = 52,999.02

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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.