Home / 35,472.28-53,209.53-13,281.43

Finding the Fourth Proportional to 35,472.28, 53,209.53 and 13,281.43

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Solution

The fourth proportional to 35,472.28, 53,209.53 and 13,281.43 is: 19,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.28 : 53,209.53 = 13,281.43 : x
  2. Step 2: Convert to fraction form
    35,472.28/53,209.53 = 13,281.43/x
  3. Step 3: Cross multiply
    35,472.28x = 53,209.53 × 13,281.43
  4. Step 4: Simplify right side
    35,472.28x = 706,698,648.03
  5. Step 5: Solve for x
    x = 706,698,648.03/35,472.28
  6. Step 6: Final answer
    x = 19,922.56

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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.