Home / 65,671.47-98,497.41-18,281.61

Finding the Fourth Proportional to 65,671.47, 98,497.41 and 18,281.61

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Solution

The fourth proportional to 65,671.47, 98,497.41 and 18,281.61 is: 27,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,671.47 : 98,497.41 = 18,281.61 : x
  2. Step 2: Convert to fraction form
    65,671.47/98,497.41 = 18,281.61/x
  3. Step 3: Cross multiply
    65,671.47x = 98,497.41 × 18,281.61
  4. Step 4: Simplify right side
    65,671.47x = 1,800,691,235.63
  5. Step 5: Solve for x
    x = 1,800,691,235.63/65,671.47
  6. Step 6: Final answer
    x = 27,419.69

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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.