Home / 36,271.42-54,417.66-12,899.68

Finding the Fourth Proportional to 36,271.42, 54,417.66 and 12,899.68

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Solution

The fourth proportional to 36,271.42, 54,417.66 and 12,899.68 is: 19,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,271.42 : 54,417.66 = 12,899.68 : x
  2. Step 2: Convert to fraction form
    36,271.42/54,417.66 = 12,899.68/x
  3. Step 3: Cross multiply
    36,271.42x = 54,417.66 × 12,899.68
  4. Step 4: Simplify right side
    36,271.42x = 701,970,400.35
  5. Step 5: Solve for x
    x = 701,970,400.35/36,271.42
  6. Step 6: Final answer
    x = 19,353.26

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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.