Home / 65,884.20-98,835.74-21,499.98

Finding the Fourth Proportional to 65,884.20, 98,835.74 and 21,499.98

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Solution

The fourth proportional to 65,884.20, 98,835.74 and 21,499.98 is: 32,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,884.20 : 98,835.74 = 21,499.98 : x
  2. Step 2: Convert to fraction form
    65,884.20/98,835.74 = 21,499.98/x
  3. Step 3: Cross multiply
    65,884.20x = 98,835.74 × 21,499.98
  4. Step 4: Simplify right side
    65,884.20x = 2,124,966,433.29
  5. Step 5: Solve for x
    x = 2,124,966,433.29/65,884.20
  6. Step 6: Final answer
    x = 32,253.05

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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.