Home / 68,427.12-94,421.04-38,214.08

Finding the Fourth Proportional to 68,427.12, 94,421.04 and 38,214.08

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Solution

The fourth proportional to 68,427.12, 94,421.04 and 38,214.08 is: 52,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.12 : 94,421.04 = 38,214.08 : x
  2. Step 2: Convert to fraction form
    68,427.12/94,421.04 = 38,214.08/x
  3. Step 3: Cross multiply
    68,427.12x = 94,421.04 × 38,214.08
  4. Step 4: Simplify right side
    68,427.12x = 3,608,213,176.24
  5. Step 5: Solve for x
    x = 3,608,213,176.24/68,427.12
  6. Step 6: Final answer
    x = 52,730.75

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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.