Home / 30,035.12-45,024.82-14,247.58

Finding the Fourth Proportional to 30,035.12, 45,024.82 and 14,247.58

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Solution

The fourth proportional to 30,035.12, 45,024.82 and 14,247.58 is: 21,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.12 : 45,024.82 = 14,247.58 : x
  2. Step 2: Convert to fraction form
    30,035.12/45,024.82 = 14,247.58/x
  3. Step 3: Cross multiply
    30,035.12x = 45,024.82 × 14,247.58
  4. Step 4: Simplify right side
    30,035.12x = 641,494,724.94
  5. Step 5: Solve for x
    x = 641,494,724.94/30,035.12
  6. Step 6: Final answer
    x = 21,358.15

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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.