Home / 61,771.61-92,589.38-40,415.48

Finding the Fourth Proportional to 61,771.61, 92,589.38 and 40,415.48

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Solution

The fourth proportional to 61,771.61, 92,589.38 and 40,415.48 is: 60,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.61 : 92,589.38 = 40,415.48 : x
  2. Step 2: Convert to fraction form
    61,771.61/92,589.38 = 40,415.48/x
  3. Step 3: Cross multiply
    61,771.61x = 92,589.38 × 40,415.48
  4. Step 4: Simplify right side
    61,771.61x = 3,742,044,329.75
  5. Step 5: Solve for x
    x = 3,742,044,329.75/61,771.61
  6. Step 6: Final answer
    x = 60,578.71

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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.