Home / 65,433.47-98,150.18-21,063.65

Finding the Fourth Proportional to 65,433.47, 98,150.18 and 21,063.65

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Solution

The fourth proportional to 65,433.47, 98,150.18 and 21,063.65 is: 31,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,433.47 : 98,150.18 = 21,063.65 : x
  2. Step 2: Convert to fraction form
    65,433.47/98,150.18 = 21,063.65/x
  3. Step 3: Cross multiply
    65,433.47x = 98,150.18 × 21,063.65
  4. Step 4: Simplify right side
    65,433.47x = 2,067,400,442.89
  5. Step 5: Solve for x
    x = 2,067,400,442.89/65,433.47
  6. Step 6: Final answer
    x = 31,595.46

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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.