Home / 30,195.03-45,291.33-15,403.62

Finding the Fourth Proportional to 30,195.03, 45,291.33 and 15,403.62

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Solution

The fourth proportional to 30,195.03, 45,291.33 and 15,403.62 is: 23,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.03 : 45,291.33 = 15,403.62 : x
  2. Step 2: Convert to fraction form
    30,195.03/45,291.33 = 15,403.62/x
  3. Step 3: Cross multiply
    30,195.03x = 45,291.33 × 15,403.62
  4. Step 4: Simplify right side
    30,195.03x = 697,650,436.61
  5. Step 5: Solve for x
    x = 697,650,436.61/30,195.03
  6. Step 6: Final answer
    x = 23,104.81

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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.