Home / 47,811.62-65,962.40-28,941.86

Finding the Fourth Proportional to 47,811.62, 65,962.40 and 28,941.86

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Solution

The fourth proportional to 47,811.62, 65,962.40 and 28,941.86 is: 39,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.62 : 65,962.40 = 28,941.86 : x
  2. Step 2: Convert to fraction form
    47,811.62/65,962.40 = 28,941.86/x
  3. Step 3: Cross multiply
    47,811.62x = 65,962.40 × 28,941.86
  4. Step 4: Simplify right side
    47,811.62x = 1,909,074,546.06
  5. Step 5: Solve for x
    x = 1,909,074,546.06/47,811.62
  6. Step 6: Final answer
    x = 39,929.09

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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.