Home / 30,334.31-45,501.57-9,274.27

Finding the Fourth Proportional to 30,334.31, 45,501.57 and 9,274.27

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Solution

The fourth proportional to 30,334.31, 45,501.57 and 9,274.27 is: 13,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.31 : 45,501.57 = 9,274.27 : x
  2. Step 2: Convert to fraction form
    30,334.31/45,501.57 = 9,274.27/x
  3. Step 3: Cross multiply
    30,334.31x = 45,501.57 × 9,274.27
  4. Step 4: Simplify right side
    30,334.31x = 421,993,731.85
  5. Step 5: Solve for x
    x = 421,993,731.85/30,334.31
  6. Step 6: Final answer
    x = 13,911.44

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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.