Home / 65,944.40-98,928.72-21,573.60

Finding the Fourth Proportional to 65,944.40, 98,928.72 and 21,573.60

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Solution

The fourth proportional to 65,944.40, 98,928.72 and 21,573.60 is: 32,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,944.40 : 98,928.72 = 21,573.60 : x
  2. Step 2: Convert to fraction form
    65,944.40/98,928.72 = 21,573.60/x
  3. Step 3: Cross multiply
    65,944.40x = 98,928.72 × 21,573.60
  4. Step 4: Simplify right side
    65,944.40x = 2,134,248,633.79
  5. Step 5: Solve for x
    x = 2,134,248,633.79/65,944.40
  6. Step 6: Final answer
    x = 32,364.37

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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.