Home / 65,929.54-90,983.21-35,714.86

Finding the Fourth Proportional to 65,929.54, 90,983.21 and 35,714.86

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Solution

The fourth proportional to 65,929.54, 90,983.21 and 35,714.86 is: 49,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.54 : 90,983.21 = 35,714.86 : x
  2. Step 2: Convert to fraction form
    65,929.54/90,983.21 = 35,714.86/x
  3. Step 3: Cross multiply
    65,929.54x = 90,983.21 × 35,714.86
  4. Step 4: Simplify right side
    65,929.54x = 3,249,452,607.50
  5. Step 5: Solve for x
    x = 3,249,452,607.50/65,929.54
  6. Step 6: Final answer
    x = 49,286.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.