Home / 30,779.64-46,174.38-13,010.43

Finding the Fourth Proportional to 30,779.64, 46,174.38 and 13,010.43

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Solution

The fourth proportional to 30,779.64, 46,174.38 and 13,010.43 is: 19,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.64 : 46,174.38 = 13,010.43 : x
  2. Step 2: Convert to fraction form
    30,779.64/46,174.38 = 13,010.43/x
  3. Step 3: Cross multiply
    30,779.64x = 46,174.38 × 13,010.43
  4. Step 4: Simplify right side
    30,779.64x = 600,748,538.78
  5. Step 5: Solve for x
    x = 600,748,538.78/30,779.64
  6. Step 6: Final answer
    x = 19,517.72

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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.