Home / 53,237.46-79,867.21-21,647.52

Finding the Fourth Proportional to 53,237.46, 79,867.21 and 21,647.52

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Solution

The fourth proportional to 53,237.46, 79,867.21 and 21,647.52 is: 32,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,237.46 : 79,867.21 = 21,647.52 : x
  2. Step 2: Convert to fraction form
    53,237.46/79,867.21 = 21,647.52/x
  3. Step 3: Cross multiply
    53,237.46x = 79,867.21 × 21,647.52
  4. Step 4: Simplify right side
    53,237.46x = 1,728,927,352.38
  5. Step 5: Solve for x
    x = 1,728,927,352.38/53,237.46
  6. Step 6: Final answer
    x = 32,475.76

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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.