Home / 30,027.12-41,437.44-16,779.12

Finding the Fourth Proportional to 30,027.12, 41,437.44 and 16,779.12

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Solution

The fourth proportional to 30,027.12, 41,437.44 and 16,779.12 is: 23,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.12 : 41,437.44 = 16,779.12 : x
  2. Step 2: Convert to fraction form
    30,027.12/41,437.44 = 16,779.12/x
  3. Step 3: Cross multiply
    30,027.12x = 41,437.44 × 16,779.12
  4. Step 4: Simplify right side
    30,027.12x = 695,283,778.25
  5. Step 5: Solve for x
    x = 695,283,778.25/30,027.12
  6. Step 6: Final answer
    x = 23,155.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.