Home / 35,794.14-53,715.69-12,420.42

Finding the Fourth Proportional to 35,794.14, 53,715.69 and 12,420.42

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Solution

The fourth proportional to 35,794.14, 53,715.69 and 12,420.42 is: 18,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.14 : 53,715.69 = 12,420.42 : x
  2. Step 2: Convert to fraction form
    35,794.14/53,715.69 = 12,420.42/x
  3. Step 3: Cross multiply
    35,794.14x = 53,715.69 × 12,420.42
  4. Step 4: Simplify right side
    35,794.14x = 667,171,430.39
  5. Step 5: Solve for x
    x = 667,171,430.39/35,794.14
  6. Step 6: Final answer
    x = 18,639.12

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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.