Home / 68,437.75-94,444.14-38,629.75

Finding the Fourth Proportional to 68,437.75, 94,444.14 and 38,629.75

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Solution

The fourth proportional to 68,437.75, 94,444.14 and 38,629.75 is: 53,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.75 : 94,444.14 = 38,629.75 : x
  2. Step 2: Convert to fraction form
    68,437.75/94,444.14 = 38,629.75/x
  3. Step 3: Cross multiply
    68,437.75x = 94,444.14 × 38,629.75
  4. Step 4: Simplify right side
    68,437.75x = 3,648,353,517.17
  5. Step 5: Solve for x
    x = 3,648,353,517.17/68,437.75
  6. Step 6: Final answer
    x = 53,309.08

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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.