Home / 30,420.24-45,634.75-9,362.09

Finding the Fourth Proportional to 30,420.24, 45,634.75 and 9,362.09

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Solution

The fourth proportional to 30,420.24, 45,634.75 and 9,362.09 is: 14,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420.24 : 45,634.75 = 9,362.09 : x
  2. Step 2: Convert to fraction form
    30,420.24/45,634.75 = 9,362.09/x
  3. Step 3: Cross multiply
    30,420.24x = 45,634.75 × 9,362.09
  4. Step 4: Simplify right side
    30,420.24x = 427,236,385.05
  5. Step 5: Solve for x
    x = 427,236,385.05/30,420.24
  6. Step 6: Final answer
    x = 14,044.48

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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.