Home / 65,529.76-98,281.68-18,787.36

Finding the Fourth Proportional to 65,529.76, 98,281.68 and 18,787.36

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Solution

The fourth proportional to 65,529.76, 98,281.68 and 18,787.36 is: 28,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,529.76 : 98,281.68 = 18,787.36 : x
  2. Step 2: Convert to fraction form
    65,529.76/98,281.68 = 18,787.36/x
  3. Step 3: Cross multiply
    65,529.76x = 98,281.68 × 18,787.36
  4. Step 4: Simplify right side
    65,529.76x = 1,846,453,303.56
  5. Step 5: Solve for x
    x = 1,846,453,303.56/65,529.76
  6. Step 6: Final answer
    x = 28,177.32

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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.