Home / 68,278.40-94,225.92-38,068.64

Finding the Fourth Proportional to 68,278.40, 94,225.92 and 38,068.64

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Solution

The fourth proportional to 68,278.40, 94,225.92 and 38,068.64 is: 52,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,278.40 : 94,225.92 = 38,068.64 : x
  2. Step 2: Convert to fraction form
    68,278.40/94,225.92 = 38,068.64/x
  3. Step 3: Cross multiply
    68,278.40x = 94,225.92 × 38,068.64
  4. Step 4: Simplify right side
    68,278.40x = 3,587,052,627.15
  5. Step 5: Solve for x
    x = 3,587,052,627.15/68,278.40
  6. Step 6: Final answer
    x = 52,535.69

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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.