Home / 30,302.30-45,359.85-19,749.62

Finding the Fourth Proportional to 30,302.30, 45,359.85 and 19,749.62

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Solution

The fourth proportional to 30,302.30, 45,359.85 and 19,749.62 is: 29,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.30 : 45,359.85 = 19,749.62 : x
  2. Step 2: Convert to fraction form
    30,302.30/45,359.85 = 19,749.62/x
  3. Step 3: Cross multiply
    30,302.30x = 45,359.85 × 19,749.62
  4. Step 4: Simplify right side
    30,302.30x = 895,839,877.13
  5. Step 5: Solve for x
    x = 895,839,877.13/30,302.30
  6. Step 6: Final answer
    x = 29,563.43

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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.