Home / 47,043.63-64,890.68-27,909.86

Finding the Fourth Proportional to 47,043.63, 64,890.68 and 27,909.86

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Solution

The fourth proportional to 47,043.63, 64,890.68 and 27,909.86 is: 38,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,043.63 : 64,890.68 = 27,909.86 : x
  2. Step 2: Convert to fraction form
    47,043.63/64,890.68 = 27,909.86/x
  3. Step 3: Cross multiply
    47,043.63x = 64,890.68 × 27,909.86
  4. Step 4: Simplify right side
    47,043.63x = 1,811,089,794.10
  5. Step 5: Solve for x
    x = 1,811,089,794.10/47,043.63
  6. Step 6: Final answer
    x = 38,498.09

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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.