Home / 40,827.01-61,240.49-12,749.47

Finding the Fourth Proportional to 40,827.01, 61,240.49 and 12,749.47

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Solution

The fourth proportional to 40,827.01, 61,240.49 and 12,749.47 is: 19,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.01 : 61,240.49 = 12,749.47 : x
  2. Step 2: Convert to fraction form
    40,827.01/61,240.49 = 12,749.47/x
  3. Step 3: Cross multiply
    40,827.01x = 61,240.49 × 12,749.47
  4. Step 4: Simplify right side
    40,827.01x = 780,783,701.73
  5. Step 5: Solve for x
    x = 780,783,701.73/40,827.01
  6. Step 6: Final answer
    x = 19,124.20

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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.