Home / 47,609.04-65,698.92-28,742.88

Finding the Fourth Proportional to 47,609.04, 65,698.92 and 28,742.88

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Solution

The fourth proportional to 47,609.04, 65,698.92 and 28,742.88 is: 39,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.04 : 65,698.92 = 28,742.88 : x
  2. Step 2: Convert to fraction form
    47,609.04/65,698.92 = 28,742.88/x
  3. Step 3: Cross multiply
    47,609.04x = 65,698.92 × 28,742.88
  4. Step 4: Simplify right side
    47,609.04x = 1,888,376,173.69
  5. Step 5: Solve for x
    x = 1,888,376,173.69/47,609.04
  6. Step 6: Final answer
    x = 39,664.24

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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.