Home / 65,320.68-97,989.08-18,577.20

Finding the Fourth Proportional to 65,320.68, 97,989.08 and 18,577.20

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Solution

The fourth proportional to 65,320.68, 97,989.08 and 18,577.20 is: 27,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,320.68 : 97,989.08 = 18,577.20 : x
  2. Step 2: Convert to fraction form
    65,320.68/97,989.08 = 18,577.20/x
  3. Step 3: Cross multiply
    65,320.68x = 97,989.08 × 18,577.20
  4. Step 4: Simplify right side
    65,320.68x = 1,820,362,736.98
  5. Step 5: Solve for x
    x = 1,820,362,736.98/65,320.68
  6. Step 6: Final answer
    x = 27,868.09

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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.