Home / 37,965.20-56,953.72-18,240.08

Finding the Fourth Proportional to 37,965.20, 56,953.72 and 18,240.08

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Solution

The fourth proportional to 37,965.20, 56,953.72 and 18,240.08 is: 27,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,965.20 : 56,953.72 = 18,240.08 : x
  2. Step 2: Convert to fraction form
    37,965.20/56,953.72 = 18,240.08/x
  3. Step 3: Cross multiply
    37,965.20x = 56,953.72 × 18,240.08
  4. Step 4: Simplify right side
    37,965.20x = 1,038,840,409.10
  5. Step 5: Solve for x
    x = 1,038,840,409.10/37,965.20
  6. Step 6: Final answer
    x = 27,362.96

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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.