Home / 45,654.64-68,382.08-28,071.12

Finding the Fourth Proportional to 45,654.64, 68,382.08 and 28,071.12

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Solution

The fourth proportional to 45,654.64, 68,382.08 and 28,071.12 is: 42,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,654.64 : 68,382.08 = 28,071.12 : x
  2. Step 2: Convert to fraction form
    45,654.64/68,382.08 = 28,071.12/x
  3. Step 3: Cross multiply
    45,654.64x = 68,382.08 × 28,071.12
  4. Step 4: Simplify right side
    45,654.64x = 1,919,561,573.53
  5. Step 5: Solve for x
    x = 1,919,561,573.53/45,654.64
  6. Step 6: Final answer
    x = 42,045.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.