Home / 57,046.50-85,509.36-21,492.36

Finding the Fourth Proportional to 57,046.50, 85,509.36 and 21,492.36

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Solution

The fourth proportional to 57,046.50, 85,509.36 and 21,492.36 is: 32,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.50 : 85,509.36 = 21,492.36 : x
  2. Step 2: Convert to fraction form
    57,046.50/85,509.36 = 21,492.36/x
  3. Step 3: Cross multiply
    57,046.50x = 85,509.36 × 21,492.36
  4. Step 4: Simplify right side
    57,046.50x = 1,837,797,948.49
  5. Step 5: Solve for x
    x = 1,837,797,948.49/57,046.50
  6. Step 6: Final answer
    x = 32,215.79

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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.