Home / 65,822.23-98,743.58-21,438.65

Finding the Fourth Proportional to 65,822.23, 98,743.58 and 21,438.65

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Solution

The fourth proportional to 65,822.23, 98,743.58 and 21,438.65 is: 32,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.23 : 98,743.58 = 21,438.65 : x
  2. Step 2: Convert to fraction form
    65,822.23/98,743.58 = 21,438.65/x
  3. Step 3: Cross multiply
    65,822.23x = 98,743.58 × 21,438.65
  4. Step 4: Simplify right side
    65,822.23x = 2,116,928,944.17
  5. Step 5: Solve for x
    x = 2,116,928,944.17/65,822.23
  6. Step 6: Final answer
    x = 32,161.31

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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.