Home / 30,114.66-45,213.36-15,333.48

Finding the Fourth Proportional to 30,114.66, 45,213.36 and 15,333.48

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Solution

The fourth proportional to 30,114.66, 45,213.36 and 15,333.48 is: 23,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.66 : 45,213.36 = 15,333.48 : x
  2. Step 2: Convert to fraction form
    30,114.66/45,213.36 = 15,333.48/x
  3. Step 3: Cross multiply
    30,114.66x = 45,213.36 × 15,333.48
  4. Step 4: Simplify right side
    30,114.66x = 693,278,151.29
  5. Step 5: Solve for x
    x = 693,278,151.29/30,114.66
  6. Step 6: Final answer
    x = 23,021.28

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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.