Home / 36,303.63-54,459.11-12,939.18

Finding the Fourth Proportional to 36,303.63, 54,459.11 and 12,939.18

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Solution

The fourth proportional to 36,303.63, 54,459.11 and 12,939.18 is: 19,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,303.63 : 54,459.11 = 12,939.18 : x
  2. Step 2: Convert to fraction form
    36,303.63/54,459.11 = 12,939.18/x
  3. Step 3: Cross multiply
    36,303.63x = 54,459.11 × 12,939.18
  4. Step 4: Simplify right side
    36,303.63x = 704,656,226.93
  5. Step 5: Solve for x
    x = 704,656,226.93/36,303.63
  6. Step 6: Final answer
    x = 19,410.08

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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.