Home / 30,032.10-45,048.69-9,255.06

Finding the Fourth Proportional to 30,032.10, 45,048.69 and 9,255.06

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Solution

The fourth proportional to 30,032.10, 45,048.69 and 9,255.06 is: 13,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.10 : 45,048.69 = 9,255.06 : x
  2. Step 2: Convert to fraction form
    30,032.10/45,048.69 = 9,255.06/x
  3. Step 3: Cross multiply
    30,032.10x = 45,048.69 × 9,255.06
  4. Step 4: Simplify right side
    30,032.10x = 416,928,328.87
  5. Step 5: Solve for x
    x = 416,928,328.87/30,032.10
  6. Step 6: Final answer
    x = 13,882.76

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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.