Home / 30,048.75-45,073.73-9,272.25

Finding the Fourth Proportional to 30,048.75, 45,073.73 and 9,272.25

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Solution

The fourth proportional to 30,048.75, 45,073.73 and 9,272.25 is: 13,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.75 : 45,073.73 = 9,272.25 : x
  2. Step 2: Convert to fraction form
    30,048.75/45,073.73 = 9,272.25/x
  3. Step 3: Cross multiply
    30,048.75x = 45,073.73 × 9,272.25
  4. Step 4: Simplify right side
    30,048.75x = 417,934,916.17
  5. Step 5: Solve for x
    x = 417,934,916.17/30,048.75
  6. Step 6: Final answer
    x = 13,908.56

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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.