Home / 35,419.87-53,123.64-13,233.43

Finding the Fourth Proportional to 35,419.87, 53,123.64 and 13,233.43

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Solution

The fourth proportional to 35,419.87, 53,123.64 and 13,233.43 is: 19,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.87 : 53,123.64 = 13,233.43 : x
  2. Step 2: Convert to fraction form
    35,419.87/53,123.64 = 13,233.43/x
  3. Step 3: Cross multiply
    35,419.87x = 53,123.64 × 13,233.43
  4. Step 4: Simplify right side
    35,419.87x = 703,007,971.29
  5. Step 5: Solve for x
    x = 703,007,971.29/35,419.87
  6. Step 6: Final answer
    x = 19,847.84

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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.