Home / 45,730.89-68,536.17-19,403.04

Finding the Fourth Proportional to 45,730.89, 68,536.17 and 19,403.04

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Solution

The fourth proportional to 45,730.89, 68,536.17 and 19,403.04 is: 29,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,730.89 : 68,536.17 = 19,403.04 : x
  2. Step 2: Convert to fraction form
    45,730.89/68,536.17 = 19,403.04/x
  3. Step 3: Cross multiply
    45,730.89x = 68,536.17 × 19,403.04
  4. Step 4: Simplify right side
    45,730.89x = 1,329,810,047.96
  5. Step 5: Solve for x
    x = 1,329,810,047.96/45,730.89
  6. Step 6: Final answer
    x = 29,079.03

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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.