Home / 30,057.75-45,094.05-9,281.25

Finding the Fourth Proportional to 30,057.75, 45,094.05 and 9,281.25

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Solution

The fourth proportional to 30,057.75, 45,094.05 and 9,281.25 is: 13,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.75 : 45,094.05 = 9,281.25 : x
  2. Step 2: Convert to fraction form
    30,057.75/45,094.05 = 9,281.25/x
  3. Step 3: Cross multiply
    30,057.75x = 45,094.05 × 9,281.25
  4. Step 4: Simplify right side
    30,057.75x = 418,529,151.56
  5. Step 5: Solve for x
    x = 418,529,151.56/30,057.75
  6. Step 6: Final answer
    x = 13,924.17

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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.