Home / 45,766.08-68,266.08-38,286.72

Finding the Fourth Proportional to 45,766.08, 68,266.08 and 38,286.72

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Solution

The fourth proportional to 45,766.08, 68,266.08 and 38,286.72 is: 57,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,766.08 : 68,266.08 = 38,286.72 : x
  2. Step 2: Convert to fraction form
    45,766.08/68,266.08 = 38,286.72/x
  3. Step 3: Cross multiply
    45,766.08x = 68,266.08 × 38,286.72
  4. Step 4: Simplify right side
    45,766.08x = 2,613,684,290.46
  5. Step 5: Solve for x
    x = 2,613,684,290.46/45,766.08
  6. Step 6: Final answer
    x = 57,109.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.