Home / 30,104.33-45,162.77-9,043.52

Finding the Fourth Proportional to 30,104.33, 45,162.77 and 9,043.52

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Solution

The fourth proportional to 30,104.33, 45,162.77 and 9,043.52 is: 13,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.33 : 45,162.77 = 9,043.52 : x
  2. Step 2: Convert to fraction form
    30,104.33/45,162.77 = 9,043.52/x
  3. Step 3: Cross multiply
    30,104.33x = 45,162.77 × 9,043.52
  4. Step 4: Simplify right side
    30,104.33x = 408,430,142.72
  5. Step 5: Solve for x
    x = 408,430,142.72/30,104.33
  6. Step 6: Final answer
    x = 13,567.16

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1.5x scale

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.