Home / 47,779.88-71,670.42-16,615.13

Finding the Fourth Proportional to 47,779.88, 71,670.42 and 16,615.13

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Solution

The fourth proportional to 47,779.88, 71,670.42 and 16,615.13 is: 24,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.88 : 71,670.42 = 16,615.13 : x
  2. Step 2: Convert to fraction form
    47,779.88/71,670.42 = 16,615.13/x
  3. Step 3: Cross multiply
    47,779.88x = 71,670.42 × 16,615.13
  4. Step 4: Simplify right side
    47,779.88x = 1,190,812,987.10
  5. Step 5: Solve for x
    x = 1,190,812,987.10/47,779.88
  6. Step 6: Final answer
    x = 24,922.90

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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.