Home / 52,232.81-78,380.35-18,955.48

Finding the Fourth Proportional to 52,232.81, 78,380.35 and 18,955.48

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Solution

The fourth proportional to 52,232.81, 78,380.35 and 18,955.48 is: 28,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,232.81 : 78,380.35 = 18,955.48 : x
  2. Step 2: Convert to fraction form
    52,232.81/78,380.35 = 18,955.48/x
  3. Step 3: Cross multiply
    52,232.81x = 78,380.35 × 18,955.48
  4. Step 4: Simplify right side
    52,232.81x = 1,485,736,984.56
  5. Step 5: Solve for x
    x = 1,485,736,984.56/52,232.81
  6. Step 6: Final answer
    x = 28,444.51

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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.