Home / 35,438.51-53,107.65-19,650.50

Finding the Fourth Proportional to 35,438.51, 53,107.65 and 19,650.50

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Solution

The fourth proportional to 35,438.51, 53,107.65 and 19,650.50 is: 29,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.51 : 53,107.65 = 19,650.50 : x
  2. Step 2: Convert to fraction form
    35,438.51/53,107.65 = 19,650.50/x
  3. Step 3: Cross multiply
    35,438.51x = 53,107.65 × 19,650.50
  4. Step 4: Simplify right side
    35,438.51x = 1,043,591,809.94
  5. Step 5: Solve for x
    x = 1,043,591,809.94/35,438.51
  6. Step 6: Final answer
    x = 29,447.96

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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.