Home / 36,789.68-55,186.56-10,492.40

Finding the Fourth Proportional to 36,789.68, 55,186.56 and 10,492.40

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Solution

The fourth proportional to 36,789.68, 55,186.56 and 10,492.40 is: 15,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,789.68 : 55,186.56 = 10,492.40 : x
  2. Step 2: Convert to fraction form
    36,789.68/55,186.56 = 10,492.40/x
  3. Step 3: Cross multiply
    36,789.68x = 55,186.56 × 10,492.40
  4. Step 4: Simplify right side
    36,789.68x = 579,039,462.14
  5. Step 5: Solve for x
    x = 579,039,462.14/36,789.68
  6. Step 6: Final answer
    x = 15,739.18

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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.