Home / 40,779.05-61,147.80-15,826.25

Finding the Fourth Proportional to 40,779.05, 61,147.80 and 15,826.25

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Solution

The fourth proportional to 40,779.05, 61,147.80 and 15,826.25 is: 23,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.05 : 61,147.80 = 15,826.25 : x
  2. Step 2: Convert to fraction form
    40,779.05/61,147.80 = 15,826.25/x
  3. Step 3: Cross multiply
    40,779.05x = 61,147.80 × 15,826.25
  4. Step 4: Simplify right side
    40,779.05x = 967,740,064.01
  5. Step 5: Solve for x
    x = 967,740,064.01/40,779.05
  6. Step 6: Final answer
    x = 23,731.31

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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.