Home / 68,455.39-94,462.28-38,238.07

Finding the Fourth Proportional to 68,455.39, 94,462.28 and 38,238.07

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Solution

The fourth proportional to 68,455.39, 94,462.28 and 38,238.07 is: 52,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,455.39 : 94,462.28 = 38,238.07 : x
  2. Step 2: Convert to fraction form
    68,455.39/94,462.28 = 38,238.07/x
  3. Step 3: Cross multiply
    68,455.39x = 94,462.28 × 38,238.07
  4. Step 4: Simplify right side
    68,455.39x = 3,612,055,083.81
  5. Step 5: Solve for x
    x = 3,612,055,083.81/68,455.39
  6. Step 6: Final answer
    x = 52,765.09

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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.