Home / 40,871.91-61,306.65-11,291.52

Finding the Fourth Proportional to 40,871.91, 61,306.65 and 11,291.52

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Solution

The fourth proportional to 40,871.91, 61,306.65 and 11,291.52 is: 16,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.91 : 61,306.65 = 11,291.52 : x
  2. Step 2: Convert to fraction form
    40,871.91/61,306.65 = 11,291.52/x
  3. Step 3: Cross multiply
    40,871.91x = 61,306.65 × 11,291.52
  4. Step 4: Simplify right side
    40,871.91x = 692,245,264.61
  5. Step 5: Solve for x
    x = 692,245,264.61/40,871.91
  6. Step 6: Final answer
    x = 16,936.94

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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.