Home / 35,816.83-53,722.16-12,123.87

Finding the Fourth Proportional to 35,816.83, 53,722.16 and 12,123.87

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Solution

The fourth proportional to 35,816.83, 53,722.16 and 12,123.87 is: 18,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,816.83 : 53,722.16 = 12,123.87 : x
  2. Step 2: Convert to fraction form
    35,816.83/53,722.16 = 12,123.87/x
  3. Step 3: Cross multiply
    35,816.83x = 53,722.16 × 12,123.87
  4. Step 4: Simplify right side
    35,816.83x = 651,320,489.14
  5. Step 5: Solve for x
    x = 651,320,489.14/35,816.83
  6. Step 6: Final answer
    x = 18,184.76

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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.