Home / 65,497.11-98,253.96-21,122.88

Finding the Fourth Proportional to 65,497.11, 98,253.96 and 21,122.88

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Solution

The fourth proportional to 65,497.11, 98,253.96 and 21,122.88 is: 31,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,497.11 : 98,253.96 = 21,122.88 : x
  2. Step 2: Convert to fraction form
    65,497.11/98,253.96 = 21,122.88/x
  3. Step 3: Cross multiply
    65,497.11x = 98,253.96 × 21,122.88
  4. Step 4: Simplify right side
    65,497.11x = 2,075,406,606.60
  5. Step 5: Solve for x
    x = 2,075,406,606.60/65,497.11
  6. Step 6: Final answer
    x = 31,687.00

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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.