Home / 39,325.76-58,968.16-18,543.68

Finding the Fourth Proportional to 39,325.76, 58,968.16 and 18,543.68

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Solution

The fourth proportional to 39,325.76, 58,968.16 and 18,543.68 is: 27,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,325.76 : 58,968.16 = 18,543.68 : x
  2. Step 2: Convert to fraction form
    39,325.76/58,968.16 = 18,543.68/x
  3. Step 3: Cross multiply
    39,325.76x = 58,968.16 × 18,543.68
  4. Step 4: Simplify right side
    39,325.76x = 1,093,486,689.23
  5. Step 5: Solve for x
    x = 1,093,486,689.23/39,325.76
  6. Step 6: Final answer
    x = 27,805.86

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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.