Home / 47,880.03-71,645.09-28,167.87

Finding the Fourth Proportional to 47,880.03, 71,645.09 and 28,167.87

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Solution

The fourth proportional to 47,880.03, 71,645.09 and 28,167.87 is: 42,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880.03 : 71,645.09 = 28,167.87 : x
  2. Step 2: Convert to fraction form
    47,880.03/71,645.09 = 28,167.87/x
  3. Step 3: Cross multiply
    47,880.03x = 71,645.09 × 28,167.87
  4. Step 4: Simplify right side
    47,880.03x = 2,018,089,867.53
  5. Step 5: Solve for x
    x = 2,018,089,867.53/47,880.03
  6. Step 6: Final answer
    x = 42,148.88

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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.