Home / 47,779.56-71,669.52-14,499.90

Finding the Fourth Proportional to 47,779.56, 71,669.52 and 14,499.90

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Solution

The fourth proportional to 47,779.56, 71,669.52 and 14,499.90 is: 21,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.56 : 71,669.52 = 14,499.90 : x
  2. Step 2: Convert to fraction form
    47,779.56/71,669.52 = 14,499.90/x
  3. Step 3: Cross multiply
    47,779.56x = 71,669.52 × 14,499.90
  4. Step 4: Simplify right side
    47,779.56x = 1,039,200,873.05
  5. Step 5: Solve for x
    x = 1,039,200,873.05/47,779.56
  6. Step 6: Final answer
    x = 21,749.90

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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.