Home / 42,492.44-63,691.88-17,518.79

Finding the Fourth Proportional to 42,492.44, 63,691.88 and 17,518.79

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Solution

The fourth proportional to 42,492.44, 63,691.88 and 17,518.79 is: 26,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492.44 : 63,691.88 = 17,518.79 : x
  2. Step 2: Convert to fraction form
    42,492.44/63,691.88 = 17,518.79/x
  3. Step 3: Cross multiply
    42,492.44x = 63,691.88 × 17,518.79
  4. Step 4: Simplify right side
    42,492.44x = 1,115,804,742.06
  5. Step 5: Solve for x
    x = 1,115,804,742.06/42,492.44
  6. Step 6: Final answer
    x = 26,258.90

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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.