Home / 67,118-92,622.88-36,905.24

Finding the Fourth Proportional to 67,118, 92,622.88 and 36,905.24

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Solution

The fourth proportional to 67,118, 92,622.88 and 36,905.24 is: 50,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118 : 92,622.88 = 36,905.24 : x
  2. Step 2: Convert to fraction form
    67,118/92,622.88 = 36,905.24/x
  3. Step 3: Cross multiply
    67,118x = 92,622.88 × 36,905.24
  4. Step 4: Simplify right side
    67,118x = 3,418,269,615.89
  5. Step 5: Solve for x
    x = 3,418,269,615.89/67,118
  6. Step 6: Final answer
    x = 50,929.25

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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.