Home / 30,236.80-45,354.88-9,460.48

Finding the Fourth Proportional to 30,236.80, 45,354.88 and 9,460.48

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Solution

The fourth proportional to 30,236.80, 45,354.88 and 9,460.48 is: 14,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.80 : 45,354.88 = 9,460.48 : x
  2. Step 2: Convert to fraction form
    30,236.80/45,354.88 = 9,460.48/x
  3. Step 3: Cross multiply
    30,236.80x = 45,354.88 × 9,460.48
  4. Step 4: Simplify right side
    30,236.80x = 429,078,935.14
  5. Step 5: Solve for x
    x = 429,078,935.14/30,236.80
  6. Step 6: Final answer
    x = 14,190.62

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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.