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Finding the Fourth Proportional to 61,340.99, 92,011.37 and 19,224.29

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Solution

The fourth proportional to 61,340.99, 92,011.37 and 19,224.29 is: 28,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,340.99 : 92,011.37 = 19,224.29 : x
  2. Step 2: Convert to fraction form
    61,340.99/92,011.37 = 19,224.29/x
  3. Step 3: Cross multiply
    61,340.99x = 92,011.37 × 19,224.29
  4. Step 4: Simplify right side
    61,340.99x = 1,768,853,394.08
  5. Step 5: Solve for x
    x = 1,768,853,394.08/61,340.99
  6. Step 6: Final answer
    x = 28,836.40

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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.