Home / 30,110.90-45,207.72-15,329.75

Finding the Fourth Proportional to 30,110.90, 45,207.72 and 15,329.75

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Solution

The fourth proportional to 30,110.90, 45,207.72 and 15,329.75 is: 23,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.90 : 45,207.72 = 15,329.75 : x
  2. Step 2: Convert to fraction form
    30,110.90/45,207.72 = 15,329.75/x
  3. Step 3: Cross multiply
    30,110.90x = 45,207.72 × 15,329.75
  4. Step 4: Simplify right side
    30,110.90x = 693,022,819.63
  5. Step 5: Solve for x
    x = 693,022,819.63/30,110.90
  6. Step 6: Final answer
    x = 23,015.68

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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.