Home / 30,346.36-45,519.08-18,503.62

Finding the Fourth Proportional to 30,346.36, 45,519.08 and 18,503.62

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Solution

The fourth proportional to 30,346.36, 45,519.08 and 18,503.62 is: 27,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.36 : 45,519.08 = 18,503.62 : x
  2. Step 2: Convert to fraction form
    30,346.36/45,519.08 = 18,503.62/x
  3. Step 3: Cross multiply
    30,346.36x = 45,519.08 × 18,503.62
  4. Step 4: Simplify right side
    30,346.36x = 842,267,759.07
  5. Step 5: Solve for x
    x = 842,267,759.07/30,346.36
  6. Step 6: Final answer
    x = 27,755.15

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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.