Home / 68,580.80-94,637.69-38,360.28

Finding the Fourth Proportional to 68,580.80, 94,637.69 and 38,360.28

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Solution

The fourth proportional to 68,580.80, 94,637.69 and 38,360.28 is: 52,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,580.80 : 94,637.69 = 38,360.28 : x
  2. Step 2: Convert to fraction form
    68,580.80/94,637.69 = 38,360.28/x
  3. Step 3: Cross multiply
    68,580.80x = 94,637.69 × 38,360.28
  4. Step 4: Simplify right side
    68,580.80x = 3,630,328,286.95
  5. Step 5: Solve for x
    x = 3,630,328,286.95/68,580.80
  6. Step 6: Final answer
    x = 52,935.05

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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.