Home / 36,479.19-54,721.08-11,520.22

Finding the Fourth Proportional to 36,479.19, 54,721.08 and 11,520.22

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Solution

The fourth proportional to 36,479.19, 54,721.08 and 11,520.22 is: 17,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,479.19 : 54,721.08 = 11,520.22 : x
  2. Step 2: Convert to fraction form
    36,479.19/54,721.08 = 11,520.22/x
  3. Step 3: Cross multiply
    36,479.19x = 54,721.08 × 11,520.22
  4. Step 4: Simplify right side
    36,479.19x = 630,398,880.24
  5. Step 5: Solve for x
    x = 630,398,880.24/36,479.19
  6. Step 6: Final answer
    x = 17,281.05

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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.