Home / 35,763.78-53,633.52-12,384.75

Finding the Fourth Proportional to 35,763.78, 53,633.52 and 12,384.75

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Solution

The fourth proportional to 35,763.78, 53,633.52 and 12,384.75 is: 18,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,763.78 : 53,633.52 = 12,384.75 : x
  2. Step 2: Convert to fraction form
    35,763.78/53,633.52 = 12,384.75/x
  3. Step 3: Cross multiply
    35,763.78x = 53,633.52 × 12,384.75
  4. Step 4: Simplify right side
    35,763.78x = 664,237,736.82
  5. Step 5: Solve for x
    x = 664,237,736.82/35,763.78
  6. Step 6: Final answer
    x = 18,572.92

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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.