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Finding the Fourth Proportional to 61,359.88, 92,021.66 and 26,291.40

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Solution

The fourth proportional to 61,359.88, 92,021.66 and 26,291.40 is: 39,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.88 : 92,021.66 = 26,291.40 : x
  2. Step 2: Convert to fraction form
    61,359.88/92,021.66 = 26,291.40/x
  3. Step 3: Cross multiply
    61,359.88x = 92,021.66 × 26,291.40
  4. Step 4: Simplify right side
    61,359.88x = 2,419,378,271.72
  5. Step 5: Solve for x
    x = 2,419,378,271.72/61,359.88
  6. Step 6: Final answer
    x = 39,429.32

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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.